Home / 54,602.78-75,309.66-47,877.12

Finding the Fourth Proportional to 54,602.78, 75,309.66 and 47,877.12

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Solution

The fourth proportional to 54,602.78, 75,309.66 and 47,877.12 is: 66,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,602.78 : 75,309.66 = 47,877.12 : x
  2. Step 2: Convert to fraction form
    54,602.78/75,309.66 = 47,877.12/x
  3. Step 3: Cross multiply
    54,602.78x = 75,309.66 × 47,877.12
  4. Step 4: Simplify right side
    54,602.78x = 3,605,609,628.98
  5. Step 5: Solve for x
    x = 3,605,609,628.98/54,602.78
  6. Step 6: Final answer
    x = 66,033.45

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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.