Home / 49,209.32-67,907.65-27,987.23

Finding the Fourth Proportional to 49,209.32, 67,907.65 and 27,987.23

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Solution

The fourth proportional to 49,209.32, 67,907.65 and 27,987.23 is: 38,621.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209.32 : 67,907.65 = 27,987.23 : x
  2. Step 2: Convert to fraction form
    49,209.32/67,907.65 = 27,987.23/x
  3. Step 3: Cross multiply
    49,209.32x = 67,907.65 × 27,987.23
  4. Step 4: Simplify right side
    49,209.32x = 1,900,547,019.31
  5. Step 5: Solve for x
    x = 1,900,547,019.31/49,209.32
  6. Step 6: Final answer
    x = 38,621.69

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Double scale
Find fourth proportional to 49,210.32, 67,909.03 and 27,988.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.