Home / 42,228.60-63,364.76-30,637.48

Finding the Fourth Proportional to 42,228.60, 63,364.76 and 30,637.48

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Solution

The fourth proportional to 42,228.60, 63,364.76 and 30,637.48 is: 45,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228.60 : 63,364.76 = 30,637.48 : x
  2. Step 2: Convert to fraction form
    42,228.60/63,364.76 = 30,637.48/x
  3. Step 3: Cross multiply
    42,228.60x = 63,364.76 × 30,637.48
  4. Step 4: Simplify right side
    42,228.60x = 1,941,336,567.20
  5. Step 5: Solve for x
    x = 1,941,336,567.20/42,228.60
  6. Step 6: Final answer
    x = 45,972.08

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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.