Home / 30,859.17-42,585.60-16,712.04

Finding the Fourth Proportional to 30,859.17, 42,585.60 and 16,712.04

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Solution

The fourth proportional to 30,859.17, 42,585.60 and 16,712.04 is: 23,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.17 : 42,585.60 = 16,712.04 : x
  2. Step 2: Convert to fraction form
    30,859.17/42,585.60 = 16,712.04/x
  3. Step 3: Cross multiply
    30,859.17x = 42,585.60 × 16,712.04
  4. Step 4: Simplify right side
    30,859.17x = 711,692,250.62
  5. Step 5: Solve for x
    x = 711,692,250.62/30,859.17
  6. Step 6: Final answer
    x = 23,062.59

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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.