Home / 42,388.23-63,592.02-18,376.56

Finding the Fourth Proportional to 42,388.23, 63,592.02 and 18,376.56

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Solution

The fourth proportional to 42,388.23, 63,592.02 and 18,376.56 is: 27,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,388.23 : 63,592.02 = 18,376.56 : x
  2. Step 2: Convert to fraction form
    42,388.23/63,592.02 = 18,376.56/x
  3. Step 3: Cross multiply
    42,388.23x = 63,592.02 × 18,376.56
  4. Step 4: Simplify right side
    42,388.23x = 1,168,602,571.05
  5. Step 5: Solve for x
    x = 1,168,602,571.05/42,388.23
  6. Step 6: Final answer
    x = 27,569.03

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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.