Home / 67,428.25-93,055.23-38,757.08

Finding the Fourth Proportional to 67,428.25, 93,055.23 and 38,757.08

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Solution

The fourth proportional to 67,428.25, 93,055.23 and 38,757.08 is: 53,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,428.25 : 93,055.23 = 38,757.08 : x
  2. Step 2: Convert to fraction form
    67,428.25/93,055.23 = 38,757.08/x
  3. Step 3: Cross multiply
    67,428.25x = 93,055.23 × 38,757.08
  4. Step 4: Simplify right side
    67,428.25x = 3,606,549,226.17
  5. Step 5: Solve for x
    x = 3,606,549,226.17/67,428.25
  6. Step 6: Final answer
    x = 53,487.22

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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.