Home / 52,860.18-72,947.01-28,661.95

Finding the Fourth Proportional to 52,860.18, 72,947.01 and 28,661.95

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Solution

The fourth proportional to 52,860.18, 72,947.01 and 28,661.95 is: 39,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,860.18 : 72,947.01 = 28,661.95 : x
  2. Step 2: Convert to fraction form
    52,860.18/72,947.01 = 28,661.95/x
  3. Step 3: Cross multiply
    52,860.18x = 72,947.01 × 28,661.95
  4. Step 4: Simplify right side
    52,860.18x = 2,090,803,370.90
  5. Step 5: Solve for x
    x = 2,090,803,370.90/52,860.18
  6. Step 6: Final answer
    x = 39,553.46

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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.