Home / 48,035.53-72,053.30-12,975.19

Finding the Fourth Proportional to 48,035.53, 72,053.30 and 12,975.19

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Solution

The fourth proportional to 48,035.53, 72,053.30 and 12,975.19 is: 19,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,035.53 : 72,053.30 = 12,975.19 : x
  2. Step 2: Convert to fraction form
    48,035.53/72,053.30 = 12,975.19/x
  3. Step 3: Cross multiply
    48,035.53x = 72,053.30 × 12,975.19
  4. Step 4: Simplify right side
    48,035.53x = 934,905,036.95
  5. Step 5: Solve for x
    x = 934,905,036.95/48,035.53
  6. Step 6: Final answer
    x = 19,462.78

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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.