Home / 39,263.68-54,184.77-21,359.65

Finding the Fourth Proportional to 39,263.68, 54,184.77 and 21,359.65

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Solution

The fourth proportional to 39,263.68, 54,184.77 and 21,359.65 is: 29,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,263.68 : 54,184.77 = 21,359.65 : x
  2. Step 2: Convert to fraction form
    39,263.68/54,184.77 = 21,359.65/x
  3. Step 3: Cross multiply
    39,263.68x = 54,184.77 × 21,359.65
  4. Step 4: Simplify right side
    39,263.68x = 1,157,367,722.53
  5. Step 5: Solve for x
    x = 1,157,367,722.53/39,263.68
  6. Step 6: Final answer
    x = 29,476.80

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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.