Home / 34,312.86-51,422.85-21,812.94

Finding the Fourth Proportional to 34,312.86, 51,422.85 and 21,812.94

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Solution

The fourth proportional to 34,312.86, 51,422.85 and 21,812.94 is: 32,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,312.86 : 51,422.85 = 21,812.94 : x
  2. Step 2: Convert to fraction form
    34,312.86/51,422.85 = 21,812.94/x
  3. Step 3: Cross multiply
    34,312.86x = 51,422.85 × 21,812.94
  4. Step 4: Simplify right side
    34,312.86x = 1,121,683,541.68
  5. Step 5: Solve for x
    x = 1,121,683,541.68/34,312.86
  6. Step 6: Final answer
    x = 32,689.89

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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.