Home / 72,024.73-99,382.24-40,193.55

Finding the Fourth Proportional to 72,024.73, 99,382.24 and 40,193.55

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Solution

The fourth proportional to 72,024.73, 99,382.24 and 40,193.55 is: 55,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024.73 : 99,382.24 = 40,193.55 : x
  2. Step 2: Convert to fraction form
    72,024.73/99,382.24 = 40,193.55/x
  3. Step 3: Cross multiply
    72,024.73x = 99,382.24 × 40,193.55
  4. Step 4: Simplify right side
    72,024.73x = 3,994,525,032.55
  5. Step 5: Solve for x
    x = 3,994,525,032.55/72,024.73
  6. Step 6: Final answer
    x = 55,460.47

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1.5x scale

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.