Home / 54,970.28-75,854.40-31,091.48

Finding the Fourth Proportional to 54,970.28, 75,854.40 and 31,091.48

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Solution

The fourth proportional to 54,970.28, 75,854.40 and 31,091.48 is: 42,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,970.28 : 75,854.40 = 31,091.48 : x
  2. Step 2: Convert to fraction form
    54,970.28/75,854.40 = 31,091.48/x
  3. Step 3: Cross multiply
    54,970.28x = 75,854.40 × 31,091.48
  4. Step 4: Simplify right side
    54,970.28x = 2,358,425,560.51
  5. Step 5: Solve for x
    x = 2,358,425,560.51/54,970.28
  6. Step 6: Final answer
    x = 42,903.65

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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.