Home / 48,730.55-67,279.14-39,799.35

Finding the Fourth Proportional to 48,730.55, 67,279.14 and 39,799.35

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Solution

The fourth proportional to 48,730.55, 67,279.14 and 39,799.35 is: 54,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,730.55 : 67,279.14 = 39,799.35 : x
  2. Step 2: Convert to fraction form
    48,730.55/67,279.14 = 39,799.35/x
  3. Step 3: Cross multiply
    48,730.55x = 67,279.14 × 39,799.35
  4. Step 4: Simplify right side
    48,730.55x = 2,677,666,040.56
  5. Step 5: Solve for x
    x = 2,677,666,040.56/48,730.55
  6. Step 6: Final answer
    x = 54,948.41

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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.