Home / 54,973.11-75,856.49-30,775.40

Finding the Fourth Proportional to 54,973.11, 75,856.49 and 30,775.40

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Solution

The fourth proportional to 54,973.11, 75,856.49 and 30,775.40 is: 42,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,973.11 : 75,856.49 = 30,775.40 : x
  2. Step 2: Convert to fraction form
    54,973.11/75,856.49 = 30,775.40/x
  3. Step 3: Cross multiply
    54,973.11x = 75,856.49 × 30,775.40
  4. Step 4: Simplify right side
    54,973.11x = 2,334,513,822.35
  5. Step 5: Solve for x
    x = 2,334,513,822.35/54,973.11
  6. Step 6: Final answer
    x = 42,466.47

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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.