Home / 39,357.32-54,309.28-22,587.08

Finding the Fourth Proportional to 39,357.32, 54,309.28 and 22,587.08

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Solution

The fourth proportional to 39,357.32, 54,309.28 and 22,587.08 is: 31,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,357.32 : 54,309.28 = 22,587.08 : x
  2. Step 2: Convert to fraction form
    39,357.32/54,309.28 = 22,587.08/x
  3. Step 3: Cross multiply
    39,357.32x = 54,309.28 × 22,587.08
  4. Step 4: Simplify right side
    39,357.32x = 1,226,688,052.10
  5. Step 5: Solve for x
    x = 1,226,688,052.10/39,357.32
  6. Step 6: Final answer
    x = 31,167.98

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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.