Home / 55,677.51-76,836.87-39,799.89

Finding the Fourth Proportional to 55,677.51, 76,836.87 and 39,799.89

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Solution

The fourth proportional to 55,677.51, 76,836.87 and 39,799.89 is: 54,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,677.51 : 76,836.87 = 39,799.89 : x
  2. Step 2: Convert to fraction form
    55,677.51/76,836.87 = 39,799.89/x
  3. Step 3: Cross multiply
    55,677.51x = 76,836.87 × 39,799.89
  4. Step 4: Simplify right side
    55,677.51x = 3,058,098,973.94
  5. Step 5: Solve for x
    x = 3,058,098,973.94/55,677.51
  6. Step 6: Final answer
    x = 54,925.21

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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.