Home / 56,192.42-84,300.95-21,132.08

Finding the Fourth Proportional to 56,192.42, 84,300.95 and 21,132.08

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Solution

The fourth proportional to 56,192.42, 84,300.95 and 21,132.08 is: 31,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,192.42 : 84,300.95 = 21,132.08 : x
  2. Step 2: Convert to fraction form
    56,192.42/84,300.95 = 21,132.08/x
  3. Step 3: Cross multiply
    56,192.42x = 84,300.95 × 21,132.08
  4. Step 4: Simplify right side
    56,192.42x = 1,781,453,892.31
  5. Step 5: Solve for x
    x = 1,781,453,892.31/56,192.42
  6. Step 6: Final answer
    x = 31,702.75

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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.