Home / 30,401.66-41,953.16-19,077.24

Finding the Fourth Proportional to 30,401.66, 41,953.16 and 19,077.24

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Solution

The fourth proportional to 30,401.66, 41,953.16 and 19,077.24 is: 26,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.66 : 41,953.16 = 19,077.24 : x
  2. Step 2: Convert to fraction form
    30,401.66/41,953.16 = 19,077.24/x
  3. Step 3: Cross multiply
    30,401.66x = 41,953.16 × 19,077.24
  4. Step 4: Simplify right side
    30,401.66x = 800,350,502.08
  5. Step 5: Solve for x
    x = 800,350,502.08/30,401.66
  6. Step 6: Final answer
    x = 26,325.88

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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.