Home / 37,972-52,400.80-22,065.40

Finding the Fourth Proportional to 37,972, 52,400.80 and 22,065.40

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Solution

The fourth proportional to 37,972, 52,400.80 and 22,065.40 is: 30,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,972 : 52,400.80 = 22,065.40 : x
  2. Step 2: Convert to fraction form
    37,972/52,400.80 = 22,065.40/x
  3. Step 3: Cross multiply
    37,972x = 52,400.80 × 22,065.40
  4. Step 4: Simplify right side
    37,972x = 1,156,244,612.32
  5. Step 5: Solve for x
    x = 1,156,244,612.32/37,972
  6. Step 6: Final answer
    x = 30,449.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.