Home / 52,862.76-79,294.14-13,420.08

Finding the Fourth Proportional to 52,862.76, 79,294.14 and 13,420.08

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Solution

The fourth proportional to 52,862.76, 79,294.14 and 13,420.08 is: 20,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,862.76 : 79,294.14 = 13,420.08 : x
  2. Step 2: Convert to fraction form
    52,862.76/79,294.14 = 13,420.08/x
  3. Step 3: Cross multiply
    52,862.76x = 79,294.14 × 13,420.08
  4. Step 4: Simplify right side
    52,862.76x = 1,064,133,702.33
  5. Step 5: Solve for x
    x = 1,064,133,702.33/52,862.76
  6. Step 6: Final answer
    x = 20,130.12

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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.