Home / 56,500.13-77,972.60-31,349.63

Finding the Fourth Proportional to 56,500.13, 77,972.60 and 31,349.63

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Solution

The fourth proportional to 56,500.13, 77,972.60 and 31,349.63 is: 43,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,500.13 : 77,972.60 = 31,349.63 : x
  2. Step 2: Convert to fraction form
    56,500.13/77,972.60 = 31,349.63/x
  3. Step 3: Cross multiply
    56,500.13x = 77,972.60 × 31,349.63
  4. Step 4: Simplify right side
    56,500.13x = 2,444,411,848.65
  5. Step 5: Solve for x
    x = 2,444,411,848.65/56,500.13
  6. Step 6: Final answer
    x = 43,263.83

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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.