Home / 34,897.60-48,152.16-20,753.92

Finding the Fourth Proportional to 34,897.60, 48,152.16 and 20,753.92

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Solution

The fourth proportional to 34,897.60, 48,152.16 and 20,753.92 is: 28,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,897.60 : 48,152.16 = 20,753.92 : x
  2. Step 2: Convert to fraction form
    34,897.60/48,152.16 = 20,753.92/x
  3. Step 3: Cross multiply
    34,897.60x = 48,152.16 × 20,753.92
  4. Step 4: Simplify right side
    34,897.60x = 999,346,076.47
  5. Step 5: Solve for x
    x = 999,346,076.47/34,897.60
  6. Step 6: Final answer
    x = 28,636.53

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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.