Home / 62,521.44-86,262.48-40,178.40

Finding the Fourth Proportional to 62,521.44, 86,262.48 and 40,178.40

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Solution

The fourth proportional to 62,521.44, 86,262.48 and 40,178.40 is: 55,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,521.44 : 86,262.48 = 40,178.40 : x
  2. Step 2: Convert to fraction form
    62,521.44/86,262.48 = 40,178.40/x
  3. Step 3: Cross multiply
    62,521.44x = 86,262.48 × 40,178.40
  4. Step 4: Simplify right side
    62,521.44x = 3,465,888,426.43
  5. Step 5: Solve for x
    x = 3,465,888,426.43/62,521.44
  6. Step 6: Final answer
    x = 55,435.20

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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.