Home / 36,435.02-54,652.73-10,139.78

Finding the Fourth Proportional to 36,435.02, 54,652.73 and 10,139.78

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Solution

The fourth proportional to 36,435.02, 54,652.73 and 10,139.78 is: 15,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,435.02 : 54,652.73 = 10,139.78 : x
  2. Step 2: Convert to fraction form
    36,435.02/54,652.73 = 10,139.78/x
  3. Step 3: Cross multiply
    36,435.02x = 54,652.73 × 10,139.78
  4. Step 4: Simplify right side
    36,435.02x = 554,166,744.53
  5. Step 5: Solve for x
    x = 554,166,744.53/36,435.02
  6. Step 6: Final answer
    x = 15,209.73

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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.