Home / 34,865.07-48,240.45-30,398.12

Finding the Fourth Proportional to 34,865.07, 48,240.45 and 30,398.12

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Solution

The fourth proportional to 34,865.07, 48,240.45 and 30,398.12 is: 42,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.07 : 48,240.45 = 30,398.12 : x
  2. Step 2: Convert to fraction form
    34,865.07/48,240.45 = 30,398.12/x
  3. Step 3: Cross multiply
    34,865.07x = 48,240.45 × 30,398.12
  4. Step 4: Simplify right side
    34,865.07x = 1,466,418,746.75
  5. Step 5: Solve for x
    x = 1,466,418,746.75/34,865.07
  6. Step 6: Final answer
    x = 42,059.83

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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.