Home / 56,206.04-77,565.90-31,057.16

Finding the Fourth Proportional to 56,206.04, 77,565.90 and 31,057.16

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Solution

The fourth proportional to 56,206.04, 77,565.90 and 31,057.16 is: 42,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,206.04 : 77,565.90 = 31,057.16 : x
  2. Step 2: Convert to fraction form
    56,206.04/77,565.90 = 31,057.16/x
  3. Step 3: Cross multiply
    56,206.04x = 77,565.90 × 31,057.16
  4. Step 4: Simplify right side
    56,206.04x = 2,408,976,566.84
  5. Step 5: Solve for x
    x = 2,408,976,566.84/56,206.04
  6. Step 6: Final answer
    x = 42,859.75

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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.