Home / 30,443.52-42,013.68-17,015.10

Finding the Fourth Proportional to 30,443.52, 42,013.68 and 17,015.10

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Solution

The fourth proportional to 30,443.52, 42,013.68 and 17,015.10 is: 23,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.52 : 42,013.68 = 17,015.10 : x
  2. Step 2: Convert to fraction form
    30,443.52/42,013.68 = 17,015.10/x
  3. Step 3: Cross multiply
    30,443.52x = 42,013.68 × 17,015.10
  4. Step 4: Simplify right side
    30,443.52x = 714,866,966.57
  5. Step 5: Solve for x
    x = 714,866,966.57/30,443.52
  6. Step 6: Final answer
    x = 23,481.74

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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.