Home / 40,220.16-55,374.40-34,543.68

Finding the Fourth Proportional to 40,220.16, 55,374.40 and 34,543.68

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Solution

The fourth proportional to 40,220.16, 55,374.40 and 34,543.68 is: 47,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.16 : 55,374.40 = 34,543.68 : x
  2. Step 2: Convert to fraction form
    40,220.16/55,374.40 = 34,543.68/x
  3. Step 3: Cross multiply
    40,220.16x = 55,374.40 × 34,543.68
  4. Step 4: Simplify right side
    40,220.16x = 1,912,835,553.79
  5. Step 5: Solve for x
    x = 1,912,835,553.79/40,220.16
  6. Step 6: Final answer
    x = 47,559.12

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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.