Home / 53,005.60-79,061.86-49,331.44

Finding the Fourth Proportional to 53,005.60, 79,061.86 and 49,331.44

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Solution

The fourth proportional to 53,005.60, 79,061.86 and 49,331.44 is: 73,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,005.60 : 79,061.86 = 49,331.44 : x
  2. Step 2: Convert to fraction form
    53,005.60/79,061.86 = 49,331.44/x
  3. Step 3: Cross multiply
    53,005.60x = 79,061.86 × 49,331.44
  4. Step 4: Simplify right side
    53,005.60x = 3,900,235,402.88
  5. Step 5: Solve for x
    x = 3,900,235,402.88/53,005.60
  6. Step 6: Final answer
    x = 73,581.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.