Home / 39,386.76-59,060.40-13,082.28

Finding the Fourth Proportional to 39,386.76, 59,060.40 and 13,082.28

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Solution

The fourth proportional to 39,386.76, 59,060.40 and 13,082.28 is: 19,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386.76 : 59,060.40 = 13,082.28 : x
  2. Step 2: Convert to fraction form
    39,386.76/59,060.40 = 13,082.28/x
  3. Step 3: Cross multiply
    39,386.76x = 59,060.40 × 13,082.28
  4. Step 4: Simplify right side
    39,386.76x = 772,644,689.71
  5. Step 5: Solve for x
    x = 772,644,689.71/39,386.76
  6. Step 6: Final answer
    x = 19,616.86

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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.