Home / 30,565.47-42,180.46-17,827.45

Finding the Fourth Proportional to 30,565.47, 42,180.46 and 17,827.45

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Solution

The fourth proportional to 30,565.47, 42,180.46 and 17,827.45 is: 24,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565.47 : 42,180.46 = 17,827.45 : x
  2. Step 2: Convert to fraction form
    30,565.47/42,180.46 = 17,827.45/x
  3. Step 3: Cross multiply
    30,565.47x = 42,180.46 × 17,827.45
  4. Step 4: Simplify right side
    30,565.47x = 751,969,830.72
  5. Step 5: Solve for x
    x = 751,969,830.72/30,565.47
  6. Step 6: Final answer
    x = 24,601.94

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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.