Home / 39,975.52-55,114.88-32,779.04

Finding the Fourth Proportional to 39,975.52, 55,114.88 and 32,779.04

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Solution

The fourth proportional to 39,975.52, 55,114.88 and 32,779.04 is: 45,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.52 : 55,114.88 = 32,779.04 : x
  2. Step 2: Convert to fraction form
    39,975.52/55,114.88 = 32,779.04/x
  3. Step 3: Cross multiply
    39,975.52x = 55,114.88 × 32,779.04
  4. Step 4: Simplify right side
    39,975.52x = 1,806,612,856.12
  5. Step 5: Solve for x
    x = 1,806,612,856.12/39,975.52
  6. Step 6: Final answer
    x = 45,192.98

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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.