Home / 48,018.18-72,015.66-21,349.47

Finding the Fourth Proportional to 48,018.18, 72,015.66 and 21,349.47

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Solution

The fourth proportional to 48,018.18, 72,015.66 and 21,349.47 is: 32,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,018.18 : 72,015.66 = 21,349.47 : x
  2. Step 2: Convert to fraction form
    48,018.18/72,015.66 = 21,349.47/x
  3. Step 3: Cross multiply
    48,018.18x = 72,015.66 × 21,349.47
  4. Step 4: Simplify right side
    48,018.18x = 1,537,496,172.70
  5. Step 5: Solve for x
    x = 1,537,496,172.70/48,018.18
  6. Step 6: Final answer
    x = 32,019.04

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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.