Home / 36,046.91-49,737.13-20,931.75

Finding the Fourth Proportional to 36,046.91, 49,737.13 and 20,931.75

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Solution

The fourth proportional to 36,046.91, 49,737.13 and 20,931.75 is: 28,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,046.91 : 49,737.13 = 20,931.75 : x
  2. Step 2: Convert to fraction form
    36,046.91/49,737.13 = 20,931.75/x
  3. Step 3: Cross multiply
    36,046.91x = 49,737.13 × 20,931.75
  4. Step 4: Simplify right side
    36,046.91x = 1,041,085,118.55
  5. Step 5: Solve for x
    x = 1,041,085,118.55/36,046.91
  6. Step 6: Final answer
    x = 28,881.40

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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.