Home / 39,507.32-54,518.19-22,515.55

Finding the Fourth Proportional to 39,507.32, 54,518.19 and 22,515.55

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Solution

The fourth proportional to 39,507.32, 54,518.19 and 22,515.55 is: 31,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,507.32 : 54,518.19 = 22,515.55 : x
  2. Step 2: Convert to fraction form
    39,507.32/54,518.19 = 22,515.55/x
  3. Step 3: Cross multiply
    39,507.32x = 54,518.19 × 22,515.55
  4. Step 4: Simplify right side
    39,507.32x = 1,227,507,032.85
  5. Step 5: Solve for x
    x = 1,227,507,032.85/39,507.32
  6. Step 6: Final answer
    x = 31,070.37

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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.