Home / 38,905.36-58,367.28-12,610.12

Finding the Fourth Proportional to 38,905.36, 58,367.28 and 12,610.12

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Solution

The fourth proportional to 38,905.36, 58,367.28 and 12,610.12 is: 18,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,905.36 : 58,367.28 = 12,610.12 : x
  2. Step 2: Convert to fraction form
    38,905.36/58,367.28 = 12,610.12/x
  3. Step 3: Cross multiply
    38,905.36x = 58,367.28 × 12,610.12
  4. Step 4: Simplify right side
    38,905.36x = 736,018,404.87
  5. Step 5: Solve for x
    x = 736,018,404.87/38,905.36
  6. Step 6: Final answer
    x = 18,918.17

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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.