Home / 30,607.86-42,238.04-17,182.38

Finding the Fourth Proportional to 30,607.86, 42,238.04 and 17,182.38

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Solution

The fourth proportional to 30,607.86, 42,238.04 and 17,182.38 is: 23,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607.86 : 42,238.04 = 17,182.38 : x
  2. Step 2: Convert to fraction form
    30,607.86/42,238.04 = 17,182.38/x
  3. Step 3: Cross multiply
    30,607.86x = 42,238.04 × 17,182.38
  4. Step 4: Simplify right side
    30,607.86x = 725,750,053.74
  5. Step 5: Solve for x
    x = 725,750,053.74/30,607.86
  6. Step 6: Final answer
    x = 23,711.23

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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.