Home / 63,058.06-86,970.90-40,399.15

Finding the Fourth Proportional to 63,058.06, 86,970.90 and 40,399.15

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Solution

The fourth proportional to 63,058.06, 86,970.90 and 40,399.15 is: 55,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,058.06 : 86,970.90 = 40,399.15 : x
  2. Step 2: Convert to fraction form
    63,058.06/86,970.90 = 40,399.15/x
  3. Step 3: Cross multiply
    63,058.06x = 86,970.90 × 40,399.15
  4. Step 4: Simplify right side
    63,058.06x = 3,513,550,232.74
  5. Step 5: Solve for x
    x = 3,513,550,232.74/63,058.06
  6. Step 6: Final answer
    x = 55,719.29

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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.