Home / 48,655.40-67,145.10-29,529.68

Finding the Fourth Proportional to 48,655.40, 67,145.10 and 29,529.68

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Solution

The fourth proportional to 48,655.40, 67,145.10 and 29,529.68 is: 40,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,655.40 : 67,145.10 = 29,529.68 : x
  2. Step 2: Convert to fraction form
    48,655.40/67,145.10 = 29,529.68/x
  3. Step 3: Cross multiply
    48,655.40x = 67,145.10 × 29,529.68
  4. Step 4: Simplify right side
    48,655.40x = 1,982,773,316.57
  5. Step 5: Solve for x
    x = 1,982,773,316.57/48,655.40
  6. Step 6: Final answer
    x = 40,751.35

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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.