Home / 34,815.15-48,044.75-18,899.46

Finding the Fourth Proportional to 34,815.15, 48,044.75 and 18,899.46

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Solution

The fourth proportional to 34,815.15, 48,044.75 and 18,899.46 is: 26,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,815.15 : 48,044.75 = 18,899.46 : x
  2. Step 2: Convert to fraction form
    34,815.15/48,044.75 = 18,899.46/x
  3. Step 3: Cross multiply
    34,815.15x = 48,044.75 × 18,899.46
  4. Step 4: Simplify right side
    34,815.15x = 908,019,736.34
  5. Step 5: Solve for x
    x = 908,019,736.34/34,815.15
  6. Step 6: Final answer
    x = 26,081.17

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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.