Home / 35,125.12-48,520-28,101.76

Finding the Fourth Proportional to 35,125.12, 48,520 and 28,101.76

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Solution

The fourth proportional to 35,125.12, 48,520 and 28,101.76 is: 38,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,125.12 : 48,520 = 28,101.76 : x
  2. Step 2: Convert to fraction form
    35,125.12/48,520 = 28,101.76/x
  3. Step 3: Cross multiply
    35,125.12x = 48,520 × 28,101.76
  4. Step 4: Simplify right side
    35,125.12x = 1,363,497,395.20
  5. Step 5: Solve for x
    x = 1,363,497,395.20/35,125.12
  6. Step 6: Final answer
    x = 38,818.30

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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.