Home / 50,247.95-75,389.13-31,505.36

Finding the Fourth Proportional to 50,247.95, 75,389.13 and 31,505.36

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Solution

The fourth proportional to 50,247.95, 75,389.13 and 31,505.36 is: 47,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,247.95 : 75,389.13 = 31,505.36 : x
  2. Step 2: Convert to fraction form
    50,247.95/75,389.13 = 31,505.36/x
  3. Step 3: Cross multiply
    50,247.95x = 75,389.13 × 31,505.36
  4. Step 4: Simplify right side
    50,247.95x = 2,375,161,303.79
  5. Step 5: Solve for x
    x = 2,375,161,303.79/50,247.95
  6. Step 6: Final answer
    x = 47,268.82

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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.