Home / 45,774.18-68,605.82-19,423.57

Finding the Fourth Proportional to 45,774.18, 68,605.82 and 19,423.57

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Solution

The fourth proportional to 45,774.18, 68,605.82 and 19,423.57 is: 29,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,774.18 : 68,605.82 = 19,423.57 : x
  2. Step 2: Convert to fraction form
    45,774.18/68,605.82 = 19,423.57/x
  3. Step 3: Cross multiply
    45,774.18x = 68,605.82 × 19,423.57
  4. Step 4: Simplify right side
    45,774.18x = 1,332,569,824.22
  5. Step 5: Solve for x
    x = 1,332,569,824.22/45,774.18
  6. Step 6: Final answer
    x = 29,111.82

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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.