Home / 35,841.60-49,432.80-22,387.20

Finding the Fourth Proportional to 35,841.60, 49,432.80 and 22,387.20

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Solution

The fourth proportional to 35,841.60, 49,432.80 and 22,387.20 is: 30,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,841.60 : 49,432.80 = 22,387.20 : x
  2. Step 2: Convert to fraction form
    35,841.60/49,432.80 = 22,387.20/x
  3. Step 3: Cross multiply
    35,841.60x = 49,432.80 × 22,387.20
  4. Step 4: Simplify right side
    35,841.60x = 1,106,661,980.16
  5. Step 5: Solve for x
    x = 1,106,661,980.16/35,841.60
  6. Step 6: Final answer
    x = 30,876.47

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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.