Home / 56,343.48-84,501.38-18,902.71

Finding the Fourth Proportional to 56,343.48, 84,501.38 and 18,902.71

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Solution

The fourth proportional to 56,343.48, 84,501.38 and 18,902.71 is: 28,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,343.48 : 84,501.38 = 18,902.71 : x
  2. Step 2: Convert to fraction form
    56,343.48/84,501.38 = 18,902.71/x
  3. Step 3: Cross multiply
    56,343.48x = 84,501.38 × 18,902.71
  4. Step 4: Simplify right side
    56,343.48x = 1,597,305,127.30
  5. Step 5: Solve for x
    x = 1,597,305,127.30/56,343.48
  6. Step 6: Final answer
    x = 28,349.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.