Home / 30,565.13-42,179.99-17,827.10

Finding the Fourth Proportional to 30,565.13, 42,179.99 and 17,827.10

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Solution

The fourth proportional to 30,565.13, 42,179.99 and 17,827.10 is: 24,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565.13 : 42,179.99 = 17,827.10 : x
  2. Step 2: Convert to fraction form
    30,565.13/42,179.99 = 17,827.10/x
  3. Step 3: Cross multiply
    30,565.13x = 42,179.99 × 17,827.10
  4. Step 4: Simplify right side
    30,565.13x = 751,947,045.27
  5. Step 5: Solve for x
    x = 751,947,045.27/30,565.13
  6. Step 6: Final answer
    x = 24,601.47

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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.