Home / 45,720.72-68,581.08-16,139.52

Finding the Fourth Proportional to 45,720.72, 68,581.08 and 16,139.52

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Solution

The fourth proportional to 45,720.72, 68,581.08 and 16,139.52 is: 24,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,720.72 : 68,581.08 = 16,139.52 : x
  2. Step 2: Convert to fraction form
    45,720.72/68,581.08 = 16,139.52/x
  3. Step 3: Cross multiply
    45,720.72x = 68,581.08 × 16,139.52
  4. Step 4: Simplify right side
    45,720.72x = 1,106,865,712.28
  5. Step 5: Solve for x
    x = 1,106,865,712.28/45,720.72
  6. Step 6: Final answer
    x = 24,209.28

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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.