Home / 40,061.48-55,285.70-22,157.72

Finding the Fourth Proportional to 40,061.48, 55,285.70 and 22,157.72

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Solution

The fourth proportional to 40,061.48, 55,285.70 and 22,157.72 is: 30,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,061.48 : 55,285.70 = 22,157.72 : x
  2. Step 2: Convert to fraction form
    40,061.48/55,285.70 = 22,157.72/x
  3. Step 3: Cross multiply
    40,061.48x = 55,285.70 × 22,157.72
  4. Step 4: Simplify right side
    40,061.48x = 1,225,005,060.60
  5. Step 5: Solve for x
    x = 1,225,005,060.60/40,061.48
  6. Step 6: Final answer
    x = 30,578.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.