Home / 55,641.51-76,811.89-31,763.57

Finding the Fourth Proportional to 55,641.51, 76,811.89 and 31,763.57

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Solution

The fourth proportional to 55,641.51, 76,811.89 and 31,763.57 is: 43,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,641.51 : 76,811.89 = 31,763.57 : x
  2. Step 2: Convert to fraction form
    55,641.51/76,811.89 = 31,763.57/x
  3. Step 3: Cross multiply
    55,641.51x = 76,811.89 × 31,763.57
  4. Step 4: Simplify right side
    55,641.51x = 2,439,819,301.97
  5. Step 5: Solve for x
    x = 2,439,819,301.97/55,641.51
  6. Step 6: Final answer
    x = 43,848.91

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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.