Home / 34,689.45-47,875.68-21,262.62

Finding the Fourth Proportional to 34,689.45, 47,875.68 and 21,262.62

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Solution

The fourth proportional to 34,689.45, 47,875.68 and 21,262.62 is: 29,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.45 : 47,875.68 = 21,262.62 : x
  2. Step 2: Convert to fraction form
    34,689.45/47,875.68 = 21,262.62/x
  3. Step 3: Cross multiply
    34,689.45x = 47,875.68 × 21,262.62
  4. Step 4: Simplify right side
    34,689.45x = 1,017,962,391.08
  5. Step 5: Solve for x
    x = 1,017,962,391.08/34,689.45
  6. Step 6: Final answer
    x = 29,345.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.