Home / 40,146.19-55,397.70-22,237.85

Finding the Fourth Proportional to 40,146.19, 55,397.70 and 22,237.85

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Solution

The fourth proportional to 40,146.19, 55,397.70 and 22,237.85 is: 30,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.19 : 55,397.70 = 22,237.85 : x
  2. Step 2: Convert to fraction form
    40,146.19/55,397.70 = 22,237.85/x
  3. Step 3: Cross multiply
    40,146.19x = 55,397.70 × 22,237.85
  4. Step 4: Simplify right side
    40,146.19x = 1,231,925,881.44
  5. Step 5: Solve for x
    x = 1,231,925,881.44/40,146.19
  6. Step 6: Final answer
    x = 30,686.00

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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.