Home / 42,858.88-64,223.73-38,187.24

Finding the Fourth Proportional to 42,858.88, 64,223.73 and 38,187.24

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Solution

The fourth proportional to 42,858.88, 64,223.73 and 38,187.24 is: 57,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858.88 : 64,223.73 = 38,187.24 : x
  2. Step 2: Convert to fraction form
    42,858.88/64,223.73 = 38,187.24/x
  3. Step 3: Cross multiply
    42,858.88x = 64,223.73 × 38,187.24
  4. Step 4: Simplify right side
    42,858.88x = 2,452,527,160.44
  5. Step 5: Solve for x
    x = 2,452,527,160.44/42,858.88
  6. Step 6: Final answer
    x = 57,223.32

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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.