Home / 64,925.32-89,620.80-38,090.38

Finding the Fourth Proportional to 64,925.32, 89,620.80 and 38,090.38

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Solution

The fourth proportional to 64,925.32, 89,620.80 and 38,090.38 is: 52,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,925.32 : 89,620.80 = 38,090.38 : x
  2. Step 2: Convert to fraction form
    64,925.32/89,620.80 = 38,090.38/x
  3. Step 3: Cross multiply
    64,925.32x = 89,620.80 × 38,090.38
  4. Step 4: Simplify right side
    64,925.32x = 3,413,690,327.90
  5. Step 5: Solve for x
    x = 3,413,690,327.90/64,925.32
  6. Step 6: Final answer
    x = 52,578.72

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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.