Home / 39,432.04-54,415.72-22,436.24

Finding the Fourth Proportional to 39,432.04, 54,415.72 and 22,436.24

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Solution

The fourth proportional to 39,432.04, 54,415.72 and 22,436.24 is: 30,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.04 : 54,415.72 = 22,436.24 : x
  2. Step 2: Convert to fraction form
    39,432.04/54,415.72 = 22,436.24/x
  3. Step 3: Cross multiply
    39,432.04x = 54,415.72 × 22,436.24
  4. Step 4: Simplify right side
    39,432.04x = 1,220,883,825.52
  5. Step 5: Solve for x
    x = 1,220,883,825.52/39,432.04
  6. Step 6: Final answer
    x = 30,961.72

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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.