Home / 39,898.17-59,856.57-13,603.14

Finding the Fourth Proportional to 39,898.17, 59,856.57 and 13,603.14

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Solution

The fourth proportional to 39,898.17, 59,856.57 and 13,603.14 is: 20,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,898.17 : 59,856.57 = 13,603.14 : x
  2. Step 2: Convert to fraction form
    39,898.17/59,856.57 = 13,603.14/x
  3. Step 3: Cross multiply
    39,898.17x = 59,856.57 × 13,603.14
  4. Step 4: Simplify right side
    39,898.17x = 814,237,301.63
  5. Step 5: Solve for x
    x = 814,237,301.63/39,898.17
  6. Step 6: Final answer
    x = 20,407.89

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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.