Home / 38,394.29-57,516.72-21,703.84

Finding the Fourth Proportional to 38,394.29, 57,516.72 and 21,703.84

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Solution

The fourth proportional to 38,394.29, 57,516.72 and 21,703.84 is: 32,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,394.29 : 57,516.72 = 21,703.84 : x
  2. Step 2: Convert to fraction form
    38,394.29/57,516.72 = 21,703.84/x
  3. Step 3: Cross multiply
    38,394.29x = 57,516.72 × 21,703.84
  4. Step 4: Simplify right side
    38,394.29x = 1,248,333,463.02
  5. Step 5: Solve for x
    x = 1,248,333,463.02/38,394.29
  6. Step 6: Final answer
    x = 32,513.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.