Home / 30,829.41-42,545.25-17,400.69

Finding the Fourth Proportional to 30,829.41, 42,545.25 and 17,400.69

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Solution

The fourth proportional to 30,829.41, 42,545.25 and 17,400.69 is: 24,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829.41 : 42,545.25 = 17,400.69 : x
  2. Step 2: Convert to fraction form
    30,829.41/42,545.25 = 17,400.69/x
  3. Step 3: Cross multiply
    30,829.41x = 42,545.25 × 17,400.69
  4. Step 4: Simplify right side
    30,829.41x = 740,316,706.22
  5. Step 5: Solve for x
    x = 740,316,706.22/30,829.41
  6. Step 6: Final answer
    x = 24,013.33

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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.