Home / 48,165.40-72,215.70-21,856.60

Finding the Fourth Proportional to 48,165.40, 72,215.70 and 21,856.60

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Solution

The fourth proportional to 48,165.40, 72,215.70 and 21,856.60 is: 32,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,165.40 : 72,215.70 = 21,856.60 : x
  2. Step 2: Convert to fraction form
    48,165.40/72,215.70 = 21,856.60/x
  3. Step 3: Cross multiply
    48,165.40x = 72,215.70 × 21,856.60
  4. Step 4: Simplify right side
    48,165.40x = 1,578,389,668.62
  5. Step 5: Solve for x
    x = 1,578,389,668.62/48,165.40
  6. Step 6: Final answer
    x = 32,770.20

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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.