Home / 31,860.72-43,852.32-29,280.06

Finding the Fourth Proportional to 31,860.72, 43,852.32 and 29,280.06

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Solution

The fourth proportional to 31,860.72, 43,852.32 and 29,280.06 is: 40,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860.72 : 43,852.32 = 29,280.06 : x
  2. Step 2: Convert to fraction form
    31,860.72/43,852.32 = 29,280.06/x
  3. Step 3: Cross multiply
    31,860.72x = 43,852.32 × 29,280.06
  4. Step 4: Simplify right side
    31,860.72x = 1,283,998,560.74
  5. Step 5: Solve for x
    x = 1,283,998,560.74/31,860.72
  6. Step 6: Final answer
    x = 40,300.36

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1.5x scale

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.