Home / 56,089.74-77,398.45-30,937.62

Finding the Fourth Proportional to 56,089.74, 77,398.45 and 30,937.62

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Solution

The fourth proportional to 56,089.74, 77,398.45 and 30,937.62 is: 42,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,089.74 : 77,398.45 = 30,937.62 : x
  2. Step 2: Convert to fraction form
    56,089.74/77,398.45 = 30,937.62/x
  3. Step 3: Cross multiply
    56,089.74x = 77,398.45 × 30,937.62
  4. Step 4: Simplify right side
    56,089.74x = 2,394,523,834.69
  5. Step 5: Solve for x
    x = 2,394,523,834.69/56,089.74
  6. Step 6: Final answer
    x = 42,690.94

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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.