Home / 42,552.90-63,829.35-20,361.06

Finding the Fourth Proportional to 42,552.90, 63,829.35 and 20,361.06

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Solution

The fourth proportional to 42,552.90, 63,829.35 and 20,361.06 is: 30,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,552.90 : 63,829.35 = 20,361.06 : x
  2. Step 2: Convert to fraction form
    42,552.90/63,829.35 = 20,361.06/x
  3. Step 3: Cross multiply
    42,552.90x = 63,829.35 × 20,361.06
  4. Step 4: Simplify right side
    42,552.90x = 1,299,633,225.11
  5. Step 5: Solve for x
    x = 1,299,633,225.11/42,552.90
  6. Step 6: Final answer
    x = 30,541.59

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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.