Home / 30,019.20-41,438.16-26,869.92

Finding the Fourth Proportional to 30,019.20, 41,438.16 and 26,869.92

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Solution

The fourth proportional to 30,019.20, 41,438.16 and 26,869.92 is: 37,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.20 : 41,438.16 = 26,869.92 : x
  2. Step 2: Convert to fraction form
    30,019.20/41,438.16 = 26,869.92/x
  3. Step 3: Cross multiply
    30,019.20x = 41,438.16 × 26,869.92
  4. Step 4: Simplify right side
    30,019.20x = 1,113,440,044.15
  5. Step 5: Solve for x
    x = 1,113,440,044.15/30,019.20
  6. Step 6: Final answer
    x = 37,090.93

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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.