Home / 39,538.92-59,314.31-12,876.20

Finding the Fourth Proportional to 39,538.92, 59,314.31 and 12,876.20

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Solution

The fourth proportional to 39,538.92, 59,314.31 and 12,876.20 is: 19,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,538.92 : 59,314.31 = 12,876.20 : x
  2. Step 2: Convert to fraction form
    39,538.92/59,314.31 = 12,876.20/x
  3. Step 3: Cross multiply
    39,538.92x = 59,314.31 × 12,876.20
  4. Step 4: Simplify right side
    39,538.92x = 763,742,557.47
  5. Step 5: Solve for x
    x = 763,742,557.47/39,538.92
  6. Step 6: Final answer
    x = 19,316.22

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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.