Home / 55,740.23-76,899.63-31,854.09

Finding the Fourth Proportional to 55,740.23, 76,899.63 and 31,854.09

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Solution

The fourth proportional to 55,740.23, 76,899.63 and 31,854.09 is: 43,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,740.23 : 76,899.63 = 31,854.09 : x
  2. Step 2: Convert to fraction form
    55,740.23/76,899.63 = 31,854.09/x
  3. Step 3: Cross multiply
    55,740.23x = 76,899.63 × 31,854.09
  4. Step 4: Simplify right side
    55,740.23x = 2,449,567,767.97
  5. Step 5: Solve for x
    x = 2,449,567,767.97/55,740.23
  6. Step 6: Final answer
    x = 43,946.13

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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.