Home / 30,833.08-42,549.80-17,404.92

Finding the Fourth Proportional to 30,833.08, 42,549.80 and 17,404.92

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Solution

The fourth proportional to 30,833.08, 42,549.80 and 17,404.92 is: 24,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.08 : 42,549.80 = 17,404.92 : x
  2. Step 2: Convert to fraction form
    30,833.08/42,549.80 = 17,404.92/x
  3. Step 3: Cross multiply
    30,833.08x = 42,549.80 × 17,404.92
  4. Step 4: Simplify right side
    30,833.08x = 740,575,865.02
  5. Step 5: Solve for x
    x = 740,575,865.02/30,833.08
  6. Step 6: Final answer
    x = 24,018.87

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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.