Home / 51,445.02-77,151.80-18,157.32

Finding the Fourth Proportional to 51,445.02, 77,151.80 and 18,157.32

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Solution

The fourth proportional to 51,445.02, 77,151.80 and 18,157.32 is: 27,230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,445.02 : 77,151.80 = 18,157.32 : x
  2. Step 2: Convert to fraction form
    51,445.02/77,151.80 = 18,157.32/x
  3. Step 3: Cross multiply
    51,445.02x = 77,151.80 × 18,157.32
  4. Step 4: Simplify right side
    51,445.02x = 1,400,869,921.18
  5. Step 5: Solve for x
    x = 1,400,869,921.18/51,445.02
  6. Step 6: Final answer
    x = 27,230.43

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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.