Home / 71,184.42-98,240.04-39,356.28

Finding the Fourth Proportional to 71,184.42, 98,240.04 and 39,356.28

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Solution

The fourth proportional to 71,184.42, 98,240.04 and 39,356.28 is: 54,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,184.42 : 98,240.04 = 39,356.28 : x
  2. Step 2: Convert to fraction form
    71,184.42/98,240.04 = 39,356.28/x
  3. Step 3: Cross multiply
    71,184.42x = 98,240.04 × 39,356.28
  4. Step 4: Simplify right side
    71,184.42x = 3,866,362,521.45
  5. Step 5: Solve for x
    x = 3,866,362,521.45/71,184.42
  6. Step 6: Final answer
    x = 54,314.73

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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.