Home / 36,781.02-55,155.33-10,479.78

Finding the Fourth Proportional to 36,781.02, 55,155.33 and 10,479.78

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Solution

The fourth proportional to 36,781.02, 55,155.33 and 10,479.78 is: 15,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.02 : 55,155.33 = 10,479.78 : x
  2. Step 2: Convert to fraction form
    36,781.02/55,155.33 = 10,479.78/x
  3. Step 3: Cross multiply
    36,781.02x = 55,155.33 × 10,479.78
  4. Step 4: Simplify right side
    36,781.02x = 578,015,724.23
  5. Step 5: Solve for x
    x = 578,015,724.23/36,781.02
  6. Step 6: Final answer
    x = 15,715.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.