Home / 45,478.56-62,758.68-25,335

Finding the Fourth Proportional to 45,478.56, 62,758.68 and 25,335

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Solution

The fourth proportional to 45,478.56, 62,758.68 and 25,335 is: 34,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,478.56 : 62,758.68 = 25,335 : x
  2. Step 2: Convert to fraction form
    45,478.56/62,758.68 = 25,335/x
  3. Step 3: Cross multiply
    45,478.56x = 62,758.68 × 25,335
  4. Step 4: Simplify right side
    45,478.56x = 1,589,991,157.80
  5. Step 5: Solve for x
    x = 1,589,991,157.80/45,478.56
  6. Step 6: Final answer
    x = 34,961.33

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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.