Home / 42,010.79-63,027.11-15,717.58

Finding the Fourth Proportional to 42,010.79, 63,027.11 and 15,717.58

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Solution

The fourth proportional to 42,010.79, 63,027.11 and 15,717.58 is: 23,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,010.79 : 63,027.11 = 15,717.58 : x
  2. Step 2: Convert to fraction form
    42,010.79/63,027.11 = 15,717.58/x
  3. Step 3: Cross multiply
    42,010.79x = 63,027.11 × 15,717.58
  4. Step 4: Simplify right side
    42,010.79x = 990,633,525.32
  5. Step 5: Solve for x
    x = 990,633,525.32/42,010.79
  6. Step 6: Final answer
    x = 23,580.46

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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.