Home / 30,671.57-45,925.26-18,010.88

Finding the Fourth Proportional to 30,671.57, 45,925.26 and 18,010.88

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Solution

The fourth proportional to 30,671.57, 45,925.26 and 18,010.88 is: 26,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,671.57 : 45,925.26 = 18,010.88 : x
  2. Step 2: Convert to fraction form
    30,671.57/45,925.26 = 18,010.88/x
  3. Step 3: Cross multiply
    30,671.57x = 45,925.26 × 18,010.88
  4. Step 4: Simplify right side
    30,671.57x = 827,154,346.83
  5. Step 5: Solve for x
    x = 827,154,346.83/30,671.57
  6. Step 6: Final answer
    x = 26,968.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.