Home / 39,276.16-58,879.11-14,298.61

Finding the Fourth Proportional to 39,276.16, 58,879.11 and 14,298.61

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Solution

The fourth proportional to 39,276.16, 58,879.11 and 14,298.61 is: 21,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,276.16 : 58,879.11 = 14,298.61 : x
  2. Step 2: Convert to fraction form
    39,276.16/58,879.11 = 14,298.61/x
  3. Step 3: Cross multiply
    39,276.16x = 58,879.11 × 14,298.61
  4. Step 4: Simplify right side
    39,276.16x = 841,889,431.04
  5. Step 5: Solve for x
    x = 841,889,431.04/39,276.16
  6. Step 6: Final answer
    x = 21,435.13

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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.