Home / 38,690.24-58,026.12-19,960.64

Finding the Fourth Proportional to 38,690.24, 58,026.12 and 19,960.64

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Solution

The fourth proportional to 38,690.24, 58,026.12 and 19,960.64 is: 29,936.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.24 : 58,026.12 = 19,960.64 : x
  2. Step 2: Convert to fraction form
    38,690.24/58,026.12 = 19,960.64/x
  3. Step 3: Cross multiply
    38,690.24x = 58,026.12 × 19,960.64
  4. Step 4: Simplify right side
    38,690.24x = 1,158,238,491.92
  5. Step 5: Solve for x
    x = 1,158,238,491.92/38,690.24
  6. Step 6: Final answer
    x = 29,936.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.