Home / 37,117.32-55,679.10-12,156.84

Finding the Fourth Proportional to 37,117.32, 55,679.10 and 12,156.84

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Solution

The fourth proportional to 37,117.32, 55,679.10 and 12,156.84 is: 18,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.32 : 55,679.10 = 12,156.84 : x
  2. Step 2: Convert to fraction form
    37,117.32/55,679.10 = 12,156.84/x
  3. Step 3: Cross multiply
    37,117.32x = 55,679.10 × 12,156.84
  4. Step 4: Simplify right side
    37,117.32x = 676,881,910.04
  5. Step 5: Solve for x
    x = 676,881,910.04/37,117.32
  6. Step 6: Final answer
    x = 18,236.28

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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.