Home / 40,978.87-56,544.83-23,070.31

Finding the Fourth Proportional to 40,978.87, 56,544.83 and 23,070.31

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Solution

The fourth proportional to 40,978.87, 56,544.83 and 23,070.31 is: 31,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,978.87 : 56,544.83 = 23,070.31 : x
  2. Step 2: Convert to fraction form
    40,978.87/56,544.83 = 23,070.31/x
  3. Step 3: Cross multiply
    40,978.87x = 56,544.83 × 23,070.31
  4. Step 4: Simplify right side
    40,978.87x = 1,304,506,641.65
  5. Step 5: Solve for x
    x = 1,304,506,641.65/40,978.87
  6. Step 6: Final answer
    x = 31,833.64

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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.