Home / 48,671.13-67,161.15-35,931.09

Finding the Fourth Proportional to 48,671.13, 67,161.15 and 35,931.09

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Solution

The fourth proportional to 48,671.13, 67,161.15 and 35,931.09 is: 49,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,671.13 : 67,161.15 = 35,931.09 : x
  2. Step 2: Convert to fraction form
    48,671.13/67,161.15 = 35,931.09/x
  3. Step 3: Cross multiply
    48,671.13x = 67,161.15 × 35,931.09
  4. Step 4: Simplify right side
    48,671.13x = 2,413,173,325.15
  5. Step 5: Solve for x
    x = 2,413,173,325.15/48,671.13
  6. Step 6: Final answer
    x = 49,581.21

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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.