Home / 56,755.08-85,132.35-17,312.40

Finding the Fourth Proportional to 56,755.08, 85,132.35 and 17,312.40

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Solution

The fourth proportional to 56,755.08, 85,132.35 and 17,312.40 is: 25,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,755.08 : 85,132.35 = 17,312.40 : x
  2. Step 2: Convert to fraction form
    56,755.08/85,132.35 = 17,312.40/x
  3. Step 3: Cross multiply
    56,755.08x = 85,132.35 × 17,312.40
  4. Step 4: Simplify right side
    56,755.08x = 1,473,845,296.14
  5. Step 5: Solve for x
    x = 1,473,845,296.14/56,755.08
  6. Step 6: Final answer
    x = 25,968.52

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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.