Home / 44,555.68-66,840-13,386.88

Finding the Fourth Proportional to 44,555.68, 66,840 and 13,386.88

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Solution

The fourth proportional to 44,555.68, 66,840 and 13,386.88 is: 20,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,555.68 : 66,840 = 13,386.88 : x
  2. Step 2: Convert to fraction form
    44,555.68/66,840 = 13,386.88/x
  3. Step 3: Cross multiply
    44,555.68x = 66,840 × 13,386.88
  4. Step 4: Simplify right side
    44,555.68x = 894,779,059.20
  5. Step 5: Solve for x
    x = 894,779,059.20/44,555.68
  6. Step 6: Final answer
    x = 20,082.27

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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.