Home / 45,586.71-68,380.08-12,306.74

Finding the Fourth Proportional to 45,586.71, 68,380.08 and 12,306.74

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Solution

The fourth proportional to 45,586.71, 68,380.08 and 12,306.74 is: 18,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,586.71 : 68,380.08 = 12,306.74 : x
  2. Step 2: Convert to fraction form
    45,586.71/68,380.08 = 12,306.74/x
  3. Step 3: Cross multiply
    45,586.71x = 68,380.08 × 12,306.74
  4. Step 4: Simplify right side
    45,586.71x = 841,536,036.69
  5. Step 5: Solve for x
    x = 841,536,036.69/45,586.71
  6. Step 6: Final answer
    x = 18,460.12

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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.