Home / 51,196.12-70,642.08-28,530.14

Finding the Fourth Proportional to 51,196.12, 70,642.08 and 28,530.14

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Solution

The fourth proportional to 51,196.12, 70,642.08 and 28,530.14 is: 39,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,196.12 : 70,642.08 = 28,530.14 : x
  2. Step 2: Convert to fraction form
    51,196.12/70,642.08 = 28,530.14/x
  3. Step 3: Cross multiply
    51,196.12x = 70,642.08 × 28,530.14
  4. Step 4: Simplify right side
    51,196.12x = 2,015,428,432.29
  5. Step 5: Solve for x
    x = 2,015,428,432.29/51,196.12
  6. Step 6: Final answer
    x = 39,366.82

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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.