Home / 53,642.46-74,024.52-29,443.92

Finding the Fourth Proportional to 53,642.46, 74,024.52 and 29,443.92

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Solution

The fourth proportional to 53,642.46, 74,024.52 and 29,443.92 is: 40,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,642.46 : 74,024.52 = 29,443.92 : x
  2. Step 2: Convert to fraction form
    53,642.46/74,024.52 = 29,443.92/x
  3. Step 3: Cross multiply
    53,642.46x = 74,024.52 × 29,443.92
  4. Step 4: Simplify right side
    53,642.46x = 2,179,571,656.91
  5. Step 5: Solve for x
    x = 2,179,571,656.91/53,642.46
  6. Step 6: Final answer
    x = 40,631.46

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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.