Home / 39,746.70-54,855.63-25,640.55

Finding the Fourth Proportional to 39,746.70, 54,855.63 and 25,640.55

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Solution

The fourth proportional to 39,746.70, 54,855.63 and 25,640.55 is: 35,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,746.70 : 54,855.63 = 25,640.55 : x
  2. Step 2: Convert to fraction form
    39,746.70/54,855.63 = 25,640.55/x
  3. Step 3: Cross multiply
    39,746.70x = 54,855.63 × 25,640.55
  4. Step 4: Simplify right side
    39,746.70x = 1,406,528,523.80
  5. Step 5: Solve for x
    x = 1,406,528,523.80/39,746.70
  6. Step 6: Final answer
    x = 35,387.30

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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.