Home / 56,207.04-77,565.68-31,056.48

Finding the Fourth Proportional to 56,207.04, 77,565.68 and 31,056.48

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Solution

The fourth proportional to 56,207.04, 77,565.68 and 31,056.48 is: 42,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.04 : 77,565.68 = 31,056.48 : x
  2. Step 2: Convert to fraction form
    56,207.04/77,565.68 = 31,056.48/x
  3. Step 3: Cross multiply
    56,207.04x = 77,565.68 × 31,056.48
  4. Step 4: Simplify right side
    56,207.04x = 2,408,916,989.61
  5. Step 5: Solve for x
    x = 2,408,916,989.61/56,207.04
  6. Step 6: Final answer
    x = 42,857.92

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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.