Home / 45,935.60-68,903.40-38,159.60

Finding the Fourth Proportional to 45,935.60, 68,903.40 and 38,159.60

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Solution

The fourth proportional to 45,935.60, 68,903.40 and 38,159.60 is: 57,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,935.60 : 68,903.40 = 38,159.60 : x
  2. Step 2: Convert to fraction form
    45,935.60/68,903.40 = 38,159.60/x
  3. Step 3: Cross multiply
    45,935.60x = 68,903.40 × 38,159.60
  4. Step 4: Simplify right side
    45,935.60x = 2,629,326,182.64
  5. Step 5: Solve for x
    x = 2,629,326,182.64/45,935.60
  6. Step 6: Final answer
    x = 57,239.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.