Home / 39,108.94-58,663.38-14,143.14

Finding the Fourth Proportional to 39,108.94, 58,663.38 and 14,143.14

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Solution

The fourth proportional to 39,108.94, 58,663.38 and 14,143.14 is: 21,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.94 : 58,663.38 = 14,143.14 : x
  2. Step 2: Convert to fraction form
    39,108.94/58,663.38 = 14,143.14/x
  3. Step 3: Cross multiply
    39,108.94x = 58,663.38 × 14,143.14
  4. Step 4: Simplify right side
    39,108.94x = 829,684,396.21
  5. Step 5: Solve for x
    x = 829,684,396.21/39,108.94
  6. Step 6: Final answer
    x = 21,214.70

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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.