Home / 45,024.28-67,537.29-13,859.50

Finding the Fourth Proportional to 45,024.28, 67,537.29 and 13,859.50

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Solution

The fourth proportional to 45,024.28, 67,537.29 and 13,859.50 is: 20,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,024.28 : 67,537.29 = 13,859.50 : x
  2. Step 2: Convert to fraction form
    45,024.28/67,537.29 = 13,859.50/x
  3. Step 3: Cross multiply
    45,024.28x = 67,537.29 × 13,859.50
  4. Step 4: Simplify right side
    45,024.28x = 936,033,070.76
  5. Step 5: Solve for x
    x = 936,033,070.76/45,024.28
  6. Step 6: Final answer
    x = 20,789.52

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1.5x scale

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.