Home / 52,869.42-79,301.70-13,427.28

Finding the Fourth Proportional to 52,869.42, 79,301.70 and 13,427.28

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Solution

The fourth proportional to 52,869.42, 79,301.70 and 13,427.28 is: 20,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869.42 : 79,301.70 = 13,427.28 : x
  2. Step 2: Convert to fraction form
    52,869.42/79,301.70 = 13,427.28/x
  3. Step 3: Cross multiply
    52,869.42x = 79,301.70 × 13,427.28
  4. Step 4: Simplify right side
    52,869.42x = 1,064,806,130.38
  5. Step 5: Solve for x
    x = 1,064,806,130.38/52,869.42
  6. Step 6: Final answer
    x = 20,140.30

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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.