Home / 42,997.88-64,431.07-18,024.32

Finding the Fourth Proportional to 42,997.88, 64,431.07 and 18,024.32

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Solution

The fourth proportional to 42,997.88, 64,431.07 and 18,024.32 is: 27,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,997.88 : 64,431.07 = 18,024.32 : x
  2. Step 2: Convert to fraction form
    42,997.88/64,431.07 = 18,024.32/x
  3. Step 3: Cross multiply
    42,997.88x = 64,431.07 × 18,024.32
  4. Step 4: Simplify right side
    42,997.88x = 1,161,326,339.64
  5. Step 5: Solve for x
    x = 1,161,326,339.64/42,997.88
  6. Step 6: Final answer
    x = 27,008.92

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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.