Home / 50,313.60-75,422.40-18,715.20

Finding the Fourth Proportional to 50,313.60, 75,422.40 and 18,715.20

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Solution

The fourth proportional to 50,313.60, 75,422.40 and 18,715.20 is: 28,054.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,313.60 : 75,422.40 = 18,715.20 : x
  2. Step 2: Convert to fraction form
    50,313.60/75,422.40 = 18,715.20/x
  3. Step 3: Cross multiply
    50,313.60x = 75,422.40 × 18,715.20
  4. Step 4: Simplify right side
    50,313.60x = 1,411,545,300.48
  5. Step 5: Solve for x
    x = 1,411,545,300.48/50,313.60
  6. Step 6: Final answer
    x = 28,054.95

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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.