Home / 38,270.19-52,808.85-21,271.71

Finding the Fourth Proportional to 38,270.19, 52,808.85 and 21,271.71

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Solution

The fourth proportional to 38,270.19, 52,808.85 and 21,271.71 is: 29,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,270.19 : 52,808.85 = 21,271.71 : x
  2. Step 2: Convert to fraction form
    38,270.19/52,808.85 = 21,271.71/x
  3. Step 3: Cross multiply
    38,270.19x = 52,808.85 × 21,271.71
  4. Step 4: Simplify right side
    38,270.19x = 1,123,334,542.63
  5. Step 5: Solve for x
    x = 1,123,334,542.63/38,270.19
  6. Step 6: Final answer
    x = 29,352.73

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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.