Home / 43,235.60-64,808.82-31,359.64

Finding the Fourth Proportional to 43,235.60, 64,808.82 and 31,359.64

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Solution

The fourth proportional to 43,235.60, 64,808.82 and 31,359.64 is: 47,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,235.60 : 64,808.82 = 31,359.64 : x
  2. Step 2: Convert to fraction form
    43,235.60/64,808.82 = 31,359.64/x
  3. Step 3: Cross multiply
    43,235.60x = 64,808.82 × 31,359.64
  4. Step 4: Simplify right side
    43,235.60x = 2,032,381,264.02
  5. Step 5: Solve for x
    x = 2,032,381,264.02/43,235.60
  6. Step 6: Final answer
    x = 47,007.13

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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.