Home / 45,358.22-68,068.30-15,775.76

Finding the Fourth Proportional to 45,358.22, 68,068.30 and 15,775.76

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Solution

The fourth proportional to 45,358.22, 68,068.30 and 15,775.76 is: 23,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,358.22 : 68,068.30 = 15,775.76 : x
  2. Step 2: Convert to fraction form
    45,358.22/68,068.30 = 15,775.76/x
  3. Step 3: Cross multiply
    45,358.22x = 68,068.30 × 15,775.76
  4. Step 4: Simplify right side
    45,358.22x = 1,073,829,164.41
  5. Step 5: Solve for x
    x = 1,073,829,164.41/45,358.22
  6. Step 6: Final answer
    x = 23,674.41

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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.