Home / 62,395.31-86,143.69-40,612.39

Finding the Fourth Proportional to 62,395.31, 86,143.69 and 40,612.39

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Solution

The fourth proportional to 62,395.31, 86,143.69 and 40,612.39 is: 56,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,395.31 : 86,143.69 = 40,612.39 : x
  2. Step 2: Convert to fraction form
    62,395.31/86,143.69 = 40,612.39/x
  3. Step 3: Cross multiply
    62,395.31x = 86,143.69 × 40,612.39
  4. Step 4: Simplify right side
    62,395.31x = 3,498,500,703.60
  5. Step 5: Solve for x
    x = 3,498,500,703.60/62,395.31
  6. Step 6: Final answer
    x = 56,069.93

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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.