Home / 48,296.80-72,445.20-13,236.40

Finding the Fourth Proportional to 48,296.80, 72,445.20 and 13,236.40

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Solution

The fourth proportional to 48,296.80, 72,445.20 and 13,236.40 is: 19,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,296.80 : 72,445.20 = 13,236.40 : x
  2. Step 2: Convert to fraction form
    48,296.80/72,445.20 = 13,236.40/x
  3. Step 3: Cross multiply
    48,296.80x = 72,445.20 × 13,236.40
  4. Step 4: Simplify right side
    48,296.80x = 958,913,645.28
  5. Step 5: Solve for x
    x = 958,913,645.28/48,296.80
  6. Step 6: Final answer
    x = 19,854.60

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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.