Home / 30,007.13-41,409.90-18,070.97

Finding the Fourth Proportional to 30,007.13, 41,409.90 and 18,070.97

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Solution

The fourth proportional to 30,007.13, 41,409.90 and 18,070.97 is: 24,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.13 : 41,409.90 = 18,070.97 : x
  2. Step 2: Convert to fraction form
    30,007.13/41,409.90 = 18,070.97/x
  3. Step 3: Cross multiply
    30,007.13x = 41,409.90 × 18,070.97
  4. Step 4: Simplify right side
    30,007.13x = 748,316,853.55
  5. Step 5: Solve for x
    x = 748,316,853.55/30,007.13
  6. Step 6: Final answer
    x = 24,937.97

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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.