Home / 30,436.57-42,001.66-17,007.93

Finding the Fourth Proportional to 30,436.57, 42,001.66 and 17,007.93

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Solution

The fourth proportional to 30,436.57, 42,001.66 and 17,007.93 is: 23,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.57 : 42,001.66 = 17,007.93 : x
  2. Step 2: Convert to fraction form
    30,436.57/42,001.66 = 17,007.93/x
  3. Step 3: Cross multiply
    30,436.57x = 42,001.66 × 17,007.93
  4. Step 4: Simplify right side
    30,436.57x = 714,361,471.93
  5. Step 5: Solve for x
    x = 714,361,471.93/30,436.57
  6. Step 6: Final answer
    x = 23,470.50

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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.