Home / 56,159.48-84,211.02-18,706.38

Finding the Fourth Proportional to 56,159.48, 84,211.02 and 18,706.38

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Solution

The fourth proportional to 56,159.48, 84,211.02 and 18,706.38 is: 28,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,159.48 : 84,211.02 = 18,706.38 : x
  2. Step 2: Convert to fraction form
    56,159.48/84,211.02 = 18,706.38/x
  3. Step 3: Cross multiply
    56,159.48x = 84,211.02 × 18,706.38
  4. Step 4: Simplify right side
    56,159.48x = 1,575,283,340.31
  5. Step 5: Solve for x
    x = 1,575,283,340.31/56,159.48
  6. Step 6: Final answer
    x = 28,050.18

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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.