Home / 42,228.58-63,364.74-30,637.48

Finding the Fourth Proportional to 42,228.58, 63,364.74 and 30,637.48

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Solution

The fourth proportional to 42,228.58, 63,364.74 and 30,637.48 is: 45,972.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228.58 : 63,364.74 = 30,637.48 : x
  2. Step 2: Convert to fraction form
    42,228.58/63,364.74 = 30,637.48/x
  3. Step 3: Cross multiply
    42,228.58x = 63,364.74 × 30,637.48
  4. Step 4: Simplify right side
    42,228.58x = 1,941,335,954.46
  5. Step 5: Solve for x
    x = 1,941,335,954.46/42,228.58
  6. Step 6: Final answer
    x = 45,972.09

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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.