Home / 48,407.28-66,809.28-29,555.36

Finding the Fourth Proportional to 48,407.28, 66,809.28 and 29,555.36

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Solution

The fourth proportional to 48,407.28, 66,809.28 and 29,555.36 is: 40,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,407.28 : 66,809.28 = 29,555.36 : x
  2. Step 2: Convert to fraction form
    48,407.28/66,809.28 = 29,555.36/x
  3. Step 3: Cross multiply
    48,407.28x = 66,809.28 × 29,555.36
  4. Step 4: Simplify right side
    48,407.28x = 1,974,572,321.74
  5. Step 5: Solve for x
    x = 1,974,572,321.74/48,407.28
  6. Step 6: Final answer
    x = 40,790.81

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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.