Home / 42,012.89-63,028.67-18,324.26

Finding the Fourth Proportional to 42,012.89, 63,028.67 and 18,324.26

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Solution

The fourth proportional to 42,012.89, 63,028.67 and 18,324.26 is: 27,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.89 : 63,028.67 = 18,324.26 : x
  2. Step 2: Convert to fraction form
    42,012.89/63,028.67 = 18,324.26/x
  3. Step 3: Cross multiply
    42,012.89x = 63,028.67 × 18,324.26
  4. Step 4: Simplify right side
    42,012.89x = 1,154,953,736.53
  5. Step 5: Solve for x
    x = 1,154,953,736.53/42,012.89
  6. Step 6: Final answer
    x = 27,490.46

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1.5x scale

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.