Home / 48,631.19-72,954.56-20,551.51

Finding the Fourth Proportional to 48,631.19, 72,954.56 and 20,551.51

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Solution

The fourth proportional to 48,631.19, 72,954.56 and 20,551.51 is: 30,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,631.19 : 72,954.56 = 20,551.51 : x
  2. Step 2: Convert to fraction form
    48,631.19/72,954.56 = 20,551.51/x
  3. Step 3: Cross multiply
    48,631.19x = 72,954.56 × 20,551.51
  4. Step 4: Simplify right side
    48,631.19x = 1,499,326,266.63
  5. Step 5: Solve for x
    x = 1,499,326,266.63/48,631.19
  6. Step 6: Final answer
    x = 30,830.55

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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.