Home / 56,359.98-84,545.60-20,830.63

Finding the Fourth Proportional to 56,359.98, 84,545.60 and 20,830.63

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Solution

The fourth proportional to 56,359.98, 84,545.60 and 20,830.63 is: 31,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.98 : 84,545.60 = 20,830.63 : x
  2. Step 2: Convert to fraction form
    56,359.98/84,545.60 = 20,830.63/x
  3. Step 3: Cross multiply
    56,359.98x = 84,545.60 × 20,830.63
  4. Step 4: Simplify right side
    56,359.98x = 1,761,138,111.73
  5. Step 5: Solve for x
    x = 1,761,138,111.73/56,359.98
  6. Step 6: Final answer
    x = 31,248.03

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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.