Home / 45,823.50-68,645.76-31,589.46

Finding the Fourth Proportional to 45,823.50, 68,645.76 and 31,589.46

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Solution

The fourth proportional to 45,823.50, 68,645.76 and 31,589.46 is: 47,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,823.50 : 68,645.76 = 31,589.46 : x
  2. Step 2: Convert to fraction form
    45,823.50/68,645.76 = 31,589.46/x
  3. Step 3: Cross multiply
    45,823.50x = 68,645.76 × 31,589.46
  4. Step 4: Simplify right side
    45,823.50x = 2,168,482,489.69
  5. Step 5: Solve for x
    x = 2,168,482,489.69/45,823.50
  6. Step 6: Final answer
    x = 47,322.50

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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.