Home / 39,292.40-58,943.16-12,997.34

Finding the Fourth Proportional to 39,292.40, 58,943.16 and 12,997.34

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Solution

The fourth proportional to 39,292.40, 58,943.16 and 12,997.34 is: 19,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292.40 : 58,943.16 = 12,997.34 : x
  2. Step 2: Convert to fraction form
    39,292.40/58,943.16 = 12,997.34/x
  3. Step 3: Cross multiply
    39,292.40x = 58,943.16 × 12,997.34
  4. Step 4: Simplify right side
    39,292.40x = 766,104,291.19
  5. Step 5: Solve for x
    x = 766,104,291.19/39,292.40
  6. Step 6: Final answer
    x = 19,497.52

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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.