Home / 30,007.19-41,404.14-18,071.30

Finding the Fourth Proportional to 30,007.19, 41,404.14 and 18,071.30

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Solution

The fourth proportional to 30,007.19, 41,404.14 and 18,071.30 is: 24,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.19 : 41,404.14 = 18,071.30 : x
  2. Step 2: Convert to fraction form
    30,007.19/41,404.14 = 18,071.30/x
  3. Step 3: Cross multiply
    30,007.19x = 41,404.14 × 18,071.30
  4. Step 4: Simplify right side
    30,007.19x = 748,226,428.16
  5. Step 5: Solve for x
    x = 748,226,428.16/30,007.19
  6. Step 6: Final answer
    x = 24,934.91

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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.