Home / 45,674.57-68,546.48-19,397.76

Finding the Fourth Proportional to 45,674.57, 68,546.48 and 19,397.76

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Solution

The fourth proportional to 45,674.57, 68,546.48 and 19,397.76 is: 29,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,674.57 : 68,546.48 = 19,397.76 : x
  2. Step 2: Convert to fraction form
    45,674.57/68,546.48 = 19,397.76/x
  3. Step 3: Cross multiply
    45,674.57x = 68,546.48 × 19,397.76
  4. Step 4: Simplify right side
    45,674.57x = 1,329,648,070.90
  5. Step 5: Solve for x
    x = 1,329,648,070.90/45,674.57
  6. Step 6: Final answer
    x = 29,111.35

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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.