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Finding the Fourth Proportional to 57,574.71, 79,452.90 and 33,705.90

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Solution

The fourth proportional to 57,574.71, 79,452.90 and 33,705.90 is: 46,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,574.71 : 79,452.90 = 33,705.90 : x
  2. Step 2: Convert to fraction form
    57,574.71/79,452.90 = 33,705.90/x
  3. Step 3: Cross multiply
    57,574.71x = 79,452.90 × 33,705.90
  4. Step 4: Simplify right side
    57,574.71x = 2,678,031,502.11
  5. Step 5: Solve for x
    x = 2,678,031,502.11/57,574.71
  6. Step 6: Final answer
    x = 46,514.03

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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.