Home / 43,442.80-64,894.65-31,501.78

Finding the Fourth Proportional to 43,442.80, 64,894.65 and 31,501.78

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Solution

The fourth proportional to 43,442.80, 64,894.65 and 31,501.78 is: 47,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,442.80 : 64,894.65 = 31,501.78 : x
  2. Step 2: Convert to fraction form
    43,442.80/64,894.65 = 31,501.78/x
  3. Step 3: Cross multiply
    43,442.80x = 64,894.65 × 31,501.78
  4. Step 4: Simplify right side
    43,442.80x = 2,044,296,884.31
  5. Step 5: Solve for x
    x = 2,044,296,884.31/43,442.80
  6. Step 6: Final answer
    x = 47,057.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.