Home / 39,393.19-54,363.33-21,488.84

Finding the Fourth Proportional to 39,393.19, 54,363.33 and 21,488.84

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Solution

The fourth proportional to 39,393.19, 54,363.33 and 21,488.84 is: 29,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.19 : 54,363.33 = 21,488.84 : x
  2. Step 2: Convert to fraction form
    39,393.19/54,363.33 = 21,488.84/x
  3. Step 3: Cross multiply
    39,393.19x = 54,363.33 × 21,488.84
  4. Step 4: Simplify right side
    39,393.19x = 1,168,204,900.24
  5. Step 5: Solve for x
    x = 1,168,204,900.24/39,393.19
  6. Step 6: Final answer
    x = 29,655.00

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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.