Home / 34,864.28-48,112.74-18,948.68

Finding the Fourth Proportional to 34,864.28, 48,112.74 and 18,948.68

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Solution

The fourth proportional to 34,864.28, 48,112.74 and 18,948.68 is: 26,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,864.28 : 48,112.74 = 18,948.68 : x
  2. Step 2: Convert to fraction form
    34,864.28/48,112.74 = 18,948.68/x
  3. Step 3: Cross multiply
    34,864.28x = 48,112.74 × 18,948.68
  4. Step 4: Simplify right side
    34,864.28x = 911,672,914.18
  5. Step 5: Solve for x
    x = 911,672,914.18/34,864.28
  6. Step 6: Final answer
    x = 26,149.20

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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.