Home / 42,887.36-64,349.40-17,933.24

Finding the Fourth Proportional to 42,887.36, 64,349.40 and 17,933.24

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Solution

The fourth proportional to 42,887.36, 64,349.40 and 17,933.24 is: 26,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,887.36 : 64,349.40 = 17,933.24 : x
  2. Step 2: Convert to fraction form
    42,887.36/64,349.40 = 17,933.24/x
  3. Step 3: Cross multiply
    42,887.36x = 64,349.40 × 17,933.24
  4. Step 4: Simplify right side
    42,887.36x = 1,153,993,234.06
  5. Step 5: Solve for x
    x = 1,153,993,234.06/42,887.36
  6. Step 6: Final answer
    x = 26,907.54

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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.