Home / 47,876.49-66,020.55-31,738.18

Finding the Fourth Proportional to 47,876.49, 66,020.55 and 31,738.18

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Solution

The fourth proportional to 47,876.49, 66,020.55 and 31,738.18 is: 43,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,876.49 : 66,020.55 = 31,738.18 : x
  2. Step 2: Convert to fraction form
    47,876.49/66,020.55 = 31,738.18/x
  3. Step 3: Cross multiply
    47,876.49x = 66,020.55 × 31,738.18
  4. Step 4: Simplify right side
    47,876.49x = 2,095,372,264.65
  5. Step 5: Solve for x
    x = 2,095,372,264.65/47,876.49
  6. Step 6: Final answer
    x = 43,766.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.