Home / 39,759.31-59,601.84-13,445.65

Finding the Fourth Proportional to 39,759.31, 59,601.84 and 13,445.65

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Solution

The fourth proportional to 39,759.31, 59,601.84 and 13,445.65 is: 20,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,759.31 : 59,601.84 = 13,445.65 : x
  2. Step 2: Convert to fraction form
    39,759.31/59,601.84 = 13,445.65/x
  3. Step 3: Cross multiply
    39,759.31x = 59,601.84 × 13,445.65
  4. Step 4: Simplify right side
    39,759.31x = 801,385,480.00
  5. Step 5: Solve for x
    x = 801,385,480.00/39,759.31
  6. Step 6: Final answer
    x = 20,155.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.