Home / 48,287.80-72,423.60-13,219.12

Finding the Fourth Proportional to 48,287.80, 72,423.60 and 13,219.12

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Solution

The fourth proportional to 48,287.80, 72,423.60 and 13,219.12 is: 19,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,287.80 : 72,423.60 = 13,219.12 : x
  2. Step 2: Convert to fraction form
    48,287.80/72,423.60 = 13,219.12/x
  3. Step 3: Cross multiply
    48,287.80x = 72,423.60 × 13,219.12
  4. Step 4: Simplify right side
    48,287.80x = 957,376,259.23
  5. Step 5: Solve for x
    x = 957,376,259.23/48,287.80
  6. Step 6: Final answer
    x = 19,826.46

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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.