Home / 45,725.56-63,073.02-31,378.84

Finding the Fourth Proportional to 45,725.56, 63,073.02 and 31,378.84

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Solution

The fourth proportional to 45,725.56, 63,073.02 and 31,378.84 is: 43,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,725.56 : 63,073.02 = 31,378.84 : x
  2. Step 2: Convert to fraction form
    45,725.56/63,073.02 = 31,378.84/x
  3. Step 3: Cross multiply
    45,725.56x = 63,073.02 × 31,378.84
  4. Step 4: Simplify right side
    45,725.56x = 1,979,158,202.90
  5. Step 5: Solve for x
    x = 1,979,158,202.90/45,725.56
  6. Step 6: Final answer
    x = 43,283.41

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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.