Home / 45,326.49-67,987.68-15,746.64

Finding the Fourth Proportional to 45,326.49, 67,987.68 and 15,746.64

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Solution

The fourth proportional to 45,326.49, 67,987.68 and 15,746.64 is: 23,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326.49 : 67,987.68 = 15,746.64 : x
  2. Step 2: Convert to fraction form
    45,326.49/67,987.68 = 15,746.64/x
  3. Step 3: Cross multiply
    45,326.49x = 67,987.68 × 15,746.64
  4. Step 4: Simplify right side
    45,326.49x = 1,070,577,521.40
  5. Step 5: Solve for x
    x = 1,070,577,521.40/45,326.49
  6. Step 6: Final answer
    x = 23,619.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.