Home / 48,402.64-72,585.16-18,816.56

Finding the Fourth Proportional to 48,402.64, 72,585.16 and 18,816.56

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Solution

The fourth proportional to 48,402.64, 72,585.16 and 18,816.56 is: 28,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,402.64 : 72,585.16 = 18,816.56 : x
  2. Step 2: Convert to fraction form
    48,402.64/72,585.16 = 18,816.56/x
  3. Step 3: Cross multiply
    48,402.64x = 72,585.16 × 18,816.56
  4. Step 4: Simplify right side
    48,402.64x = 1,365,803,018.25
  5. Step 5: Solve for x
    x = 1,365,803,018.25/48,402.64
  6. Step 6: Final answer
    x = 28,217.53

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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.