Home / 50,851.28-76,278.08-13,415.13

Finding the Fourth Proportional to 50,851.28, 76,278.08 and 13,415.13

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Solution

The fourth proportional to 50,851.28, 76,278.08 and 13,415.13 is: 20,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,851.28 : 76,278.08 = 13,415.13 : x
  2. Step 2: Convert to fraction form
    50,851.28/76,278.08 = 13,415.13/x
  3. Step 3: Cross multiply
    50,851.28x = 76,278.08 × 13,415.13
  4. Step 4: Simplify right side
    50,851.28x = 1,023,280,392.89
  5. Step 5: Solve for x
    x = 1,023,280,392.89/50,851.28
  6. Step 6: Final answer
    x = 20,123.00

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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.