Home / 48,072.48-72,117.04-21,427.92

Finding the Fourth Proportional to 48,072.48, 72,117.04 and 21,427.92

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Solution

The fourth proportional to 48,072.48, 72,117.04 and 21,427.92 is: 32,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072.48 : 72,117.04 = 21,427.92 : x
  2. Step 2: Convert to fraction form
    48,072.48/72,117.04 = 21,427.92/x
  3. Step 3: Cross multiply
    48,072.48x = 72,117.04 × 21,427.92
  4. Step 4: Simplify right side
    48,072.48x = 1,545,318,163.76
  5. Step 5: Solve for x
    x = 1,545,318,163.76/48,072.48
  6. Step 6: Final answer
    x = 32,145.59

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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.