Home / 38,740.08-53,459.68-22,825.20

Finding the Fourth Proportional to 38,740.08, 53,459.68 and 22,825.20

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Solution

The fourth proportional to 38,740.08, 53,459.68 and 22,825.20 is: 31,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740.08 : 53,459.68 = 22,825.20 : x
  2. Step 2: Convert to fraction form
    38,740.08/53,459.68 = 22,825.20/x
  3. Step 3: Cross multiply
    38,740.08x = 53,459.68 × 22,825.20
  4. Step 4: Simplify right side
    38,740.08x = 1,220,227,887.94
  5. Step 5: Solve for x
    x = 1,220,227,887.94/38,740.08
  6. Step 6: Final answer
    x = 31,497.82

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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.