Home / 48,189.50-72,275.54-13,120.95

Finding the Fourth Proportional to 48,189.50, 72,275.54 and 13,120.95

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Solution

The fourth proportional to 48,189.50, 72,275.54 and 13,120.95 is: 19,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,189.50 : 72,275.54 = 13,120.95 : x
  2. Step 2: Convert to fraction form
    48,189.50/72,275.54 = 13,120.95/x
  3. Step 3: Cross multiply
    48,189.50x = 72,275.54 × 13,120.95
  4. Step 4: Simplify right side
    48,189.50x = 948,323,746.56
  5. Step 5: Solve for x
    x = 948,323,746.56/48,189.50
  6. Step 6: Final answer
    x = 19,679.05

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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.