Home / 34,888.10-48,145.96-18,972.55

Finding the Fourth Proportional to 34,888.10, 48,145.96 and 18,972.55

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Solution

The fourth proportional to 34,888.10, 48,145.96 and 18,972.55 is: 26,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,888.10 : 48,145.96 = 18,972.55 : x
  2. Step 2: Convert to fraction form
    34,888.10/48,145.96 = 18,972.55/x
  3. Step 3: Cross multiply
    34,888.10x = 48,145.96 × 18,972.55
  4. Step 4: Simplify right side
    34,888.10x = 913,451,465.60
  5. Step 5: Solve for x
    x = 913,451,465.60/34,888.10
  6. Step 6: Final answer
    x = 26,182.33

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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.