Home / 38,269.69-52,808.17-21,271.21

Finding the Fourth Proportional to 38,269.69, 52,808.17 and 21,271.21

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Solution

The fourth proportional to 38,269.69, 52,808.17 and 21,271.21 is: 29,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.69 : 52,808.17 = 21,271.21 : x
  2. Step 2: Convert to fraction form
    38,269.69/52,808.17 = 21,271.21/x
  3. Step 3: Cross multiply
    38,269.69x = 52,808.17 × 21,271.21
  4. Step 4: Simplify right side
    38,269.69x = 1,123,293,673.79
  5. Step 5: Solve for x
    x = 1,123,293,673.79/38,269.69
  6. Step 6: Final answer
    x = 29,352.05

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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.