Home / 39,353.94-54,306.85-21,448.55

Finding the Fourth Proportional to 39,353.94, 54,306.85 and 21,448.55

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Solution

The fourth proportional to 39,353.94, 54,306.85 and 21,448.55 is: 29,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.94 : 54,306.85 = 21,448.55 : x
  2. Step 2: Convert to fraction form
    39,353.94/54,306.85 = 21,448.55/x
  3. Step 3: Cross multiply
    39,353.94x = 54,306.85 × 21,448.55
  4. Step 4: Simplify right side
    39,353.94x = 1,164,803,187.57
  5. Step 5: Solve for x
    x = 1,164,803,187.57/39,353.94
  6. Step 6: Final answer
    x = 29,598.13

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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.