Home / 56,225.28-77,588-31,069.92

Finding the Fourth Proportional to 56,225.28, 77,588 and 31,069.92

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Solution

The fourth proportional to 56,225.28, 77,588 and 31,069.92 is: 42,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,225.28 : 77,588 = 31,069.92 : x
  2. Step 2: Convert to fraction form
    56,225.28/77,588 = 31,069.92/x
  3. Step 3: Cross multiply
    56,225.28x = 77,588 × 31,069.92
  4. Step 4: Simplify right side
    56,225.28x = 2,410,652,952.96
  5. Step 5: Solve for x
    x = 2,410,652,952.96/56,225.28
  6. Step 6: Final answer
    x = 42,874.89

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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.