Home / 48,648.42-67,119.50-38,407.19

Finding the Fourth Proportional to 48,648.42, 67,119.50 and 38,407.19

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Solution

The fourth proportional to 48,648.42, 67,119.50 and 38,407.19 is: 52,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,648.42 : 67,119.50 = 38,407.19 : x
  2. Step 2: Convert to fraction form
    48,648.42/67,119.50 = 38,407.19/x
  3. Step 3: Cross multiply
    48,648.42x = 67,119.50 × 38,407.19
  4. Step 4: Simplify right side
    48,648.42x = 2,577,871,149.63
  5. Step 5: Solve for x
    x = 2,577,871,149.63/48,648.42
  6. Step 6: Final answer
    x = 52,989.82

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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.