Home / 30,553.16-42,162.98-17,124.39

Finding the Fourth Proportional to 30,553.16, 42,162.98 and 17,124.39

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Solution

The fourth proportional to 30,553.16, 42,162.98 and 17,124.39 is: 23,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553.16 : 42,162.98 = 17,124.39 : x
  2. Step 2: Convert to fraction form
    30,553.16/42,162.98 = 17,124.39/x
  3. Step 3: Cross multiply
    30,553.16x = 42,162.98 × 17,124.39
  4. Step 4: Simplify right side
    30,553.16x = 722,015,227.46
  5. Step 5: Solve for x
    x = 722,015,227.46/30,553.16
  6. Step 6: Final answer
    x = 23,631.45

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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.