Home / 63,878.97-88,058.46-40,906.36

Finding the Fourth Proportional to 63,878.97, 88,058.46 and 40,906.36

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Solution

The fourth proportional to 63,878.97, 88,058.46 and 40,906.36 is: 56,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,878.97 : 88,058.46 = 40,906.36 : x
  2. Step 2: Convert to fraction form
    63,878.97/88,058.46 = 40,906.36/x
  3. Step 3: Cross multiply
    63,878.97x = 88,058.46 × 40,906.36
  4. Step 4: Simplify right side
    63,878.97x = 3,602,151,065.81
  5. Step 5: Solve for x
    x = 3,602,151,065.81/63,878.97
  6. Step 6: Final answer
    x = 56,390.25

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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.