Home / 30,698.61-42,363.65-17,269.86

Finding the Fourth Proportional to 30,698.61, 42,363.65 and 17,269.86

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Solution

The fourth proportional to 30,698.61, 42,363.65 and 17,269.86 is: 23,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698.61 : 42,363.65 = 17,269.86 : x
  2. Step 2: Convert to fraction form
    30,698.61/42,363.65 = 17,269.86/x
  3. Step 3: Cross multiply
    30,698.61x = 42,363.65 × 17,269.86
  4. Step 4: Simplify right side
    30,698.61x = 731,614,092.77
  5. Step 5: Solve for x
    x = 731,614,092.77/30,698.61
  6. Step 6: Final answer
    x = 23,832.16

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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.