Home / 39,111.39-58,671.68-14,163.21

Finding the Fourth Proportional to 39,111.39, 58,671.68 and 14,163.21

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Solution

The fourth proportional to 39,111.39, 58,671.68 and 14,163.21 is: 21,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111.39 : 58,671.68 = 14,163.21 : x
  2. Step 2: Convert to fraction form
    39,111.39/58,671.68 = 14,163.21/x
  3. Step 3: Cross multiply
    39,111.39x = 58,671.68 × 14,163.21
  4. Step 4: Simplify right side
    39,111.39x = 830,979,254.08
  5. Step 5: Solve for x
    x = 830,979,254.08/39,111.39
  6. Step 6: Final answer
    x = 21,246.48

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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.