Home / 53,222.04-73,443.92-30,545.28

Finding the Fourth Proportional to 53,222.04, 73,443.92 and 30,545.28

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Solution

The fourth proportional to 53,222.04, 73,443.92 and 30,545.28 is: 42,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,222.04 : 73,443.92 = 30,545.28 : x
  2. Step 2: Convert to fraction form
    53,222.04/73,443.92 = 30,545.28/x
  3. Step 3: Cross multiply
    53,222.04x = 73,443.92 × 30,545.28
  4. Step 4: Simplify right side
    53,222.04x = 2,243,364,947.97
  5. Step 5: Solve for x
    x = 2,243,364,947.97/53,222.04
  6. Step 6: Final answer
    x = 42,151.05

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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.