Home / 39,666.85-54,725.16-25,327.21

Finding the Fourth Proportional to 39,666.85, 54,725.16 and 25,327.21

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Solution

The fourth proportional to 39,666.85, 54,725.16 and 25,327.21 is: 34,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,666.85 : 54,725.16 = 25,327.21 : x
  2. Step 2: Convert to fraction form
    39,666.85/54,725.16 = 25,327.21/x
  3. Step 3: Cross multiply
    39,666.85x = 54,725.16 × 25,327.21
  4. Step 4: Simplify right side
    39,666.85x = 1,386,035,619.60
  5. Step 5: Solve for x
    x = 1,386,035,619.60/39,666.85
  6. Step 6: Final answer
    x = 34,941.91

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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.