Home / 49,498.96-74,230-21,423.12

Finding the Fourth Proportional to 49,498.96, 74,230 and 21,423.12

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Solution

The fourth proportional to 49,498.96, 74,230 and 21,423.12 is: 32,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,498.96 : 74,230 = 21,423.12 : x
  2. Step 2: Convert to fraction form
    49,498.96/74,230 = 21,423.12/x
  3. Step 3: Cross multiply
    49,498.96x = 74,230 × 21,423.12
  4. Step 4: Simplify right side
    49,498.96x = 1,590,238,197.60
  5. Step 5: Solve for x
    x = 1,590,238,197.60/49,498.96
  6. Step 6: Final answer
    x = 32,126.70

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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.