Home / 43,007.45-64,386-31,963.10

Finding the Fourth Proportional to 43,007.45, 64,386 and 31,963.10

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Solution

The fourth proportional to 43,007.45, 64,386 and 31,963.10 is: 47,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,007.45 : 64,386 = 31,963.10 : x
  2. Step 2: Convert to fraction form
    43,007.45/64,386 = 31,963.10/x
  3. Step 3: Cross multiply
    43,007.45x = 64,386 × 31,963.10
  4. Step 4: Simplify right side
    43,007.45x = 2,057,975,834.67
  5. Step 5: Solve for x
    x = 2,057,975,834.67/43,007.45
  6. Step 6: Final answer
    x = 47,851.62

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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.