Home / 48,631.76-67,113-28,501.52

Finding the Fourth Proportional to 48,631.76, 67,113 and 28,501.52

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Solution

The fourth proportional to 48,631.76, 67,113 and 28,501.52 is: 39,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,631.76 : 67,113 = 28,501.52 : x
  2. Step 2: Convert to fraction form
    48,631.76/67,113 = 28,501.52/x
  3. Step 3: Cross multiply
    48,631.76x = 67,113 × 28,501.52
  4. Step 4: Simplify right side
    48,631.76x = 1,912,822,511.76
  5. Step 5: Solve for x
    x = 1,912,822,511.76/48,631.76
  6. Step 6: Final answer
    x = 39,332.78

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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.