Home / 42,687.24-64,038.45-14,610.42

Finding the Fourth Proportional to 42,687.24, 64,038.45 and 14,610.42

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Solution

The fourth proportional to 42,687.24, 64,038.45 and 14,610.42 is: 21,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,687.24 : 64,038.45 = 14,610.42 : x
  2. Step 2: Convert to fraction form
    42,687.24/64,038.45 = 14,610.42/x
  3. Step 3: Cross multiply
    42,687.24x = 64,038.45 × 14,610.42
  4. Step 4: Simplify right side
    42,687.24x = 935,628,650.65
  5. Step 5: Solve for x
    x = 935,628,650.65/42,687.24
  6. Step 6: Final answer
    x = 21,918.23

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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.