Home / 52,720.07-79,071.30-23,129.96

Finding the Fourth Proportional to 52,720.07, 79,071.30 and 23,129.96

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Solution

The fourth proportional to 52,720.07, 79,071.30 and 23,129.96 is: 34,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,720.07 : 79,071.30 = 23,129.96 : x
  2. Step 2: Convert to fraction form
    52,720.07/79,071.30 = 23,129.96/x
  3. Step 3: Cross multiply
    52,720.07x = 79,071.30 × 23,129.96
  4. Step 4: Simplify right side
    52,720.07x = 1,828,916,203.83
  5. Step 5: Solve for x
    x = 1,828,916,203.83/52,720.07
  6. Step 6: Final answer
    x = 34,691.08

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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.