Home / 48,079.56-72,118.08-21,765.12

Finding the Fourth Proportional to 48,079.56, 72,118.08 and 21,765.12

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Solution

The fourth proportional to 48,079.56, 72,118.08 and 21,765.12 is: 32,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,079.56 : 72,118.08 = 21,765.12 : x
  2. Step 2: Convert to fraction form
    48,079.56/72,118.08 = 21,765.12/x
  3. Step 3: Cross multiply
    48,079.56x = 72,118.08 × 21,765.12
  4. Step 4: Simplify right side
    48,079.56x = 1,569,658,665.37
  5. Step 5: Solve for x
    x = 1,569,658,665.37/48,079.56
  6. Step 6: Final answer
    x = 32,647.11

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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.