Home / 39,242.25-54,159.21-22,475.25

Finding the Fourth Proportional to 39,242.25, 54,159.21 and 22,475.25

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Solution

The fourth proportional to 39,242.25, 54,159.21 and 22,475.25 is: 31,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.25 : 54,159.21 = 22,475.25 : x
  2. Step 2: Convert to fraction form
    39,242.25/54,159.21 = 22,475.25/x
  3. Step 3: Cross multiply
    39,242.25x = 54,159.21 × 22,475.25
  4. Step 4: Simplify right side
    39,242.25x = 1,217,241,784.55
  5. Step 5: Solve for x
    x = 1,217,241,784.55/39,242.25
  6. Step 6: Final answer
    x = 31,018.65

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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.