Home / 63,058.55-86,971.59-40,399.65

Finding the Fourth Proportional to 63,058.55, 86,971.59 and 40,399.65

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Solution

The fourth proportional to 63,058.55, 86,971.59 and 40,399.65 is: 55,719.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,058.55 : 86,971.59 = 40,399.65 : x
  2. Step 2: Convert to fraction form
    63,058.55/86,971.59 = 40,399.65/x
  3. Step 3: Cross multiply
    63,058.55x = 86,971.59 × 40,399.65
  4. Step 4: Simplify right side
    63,058.55x = 3,513,621,795.94
  5. Step 5: Solve for x
    x = 3,513,621,795.94/63,058.55
  6. Step 6: Final answer
    x = 55,719.99

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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.