Home / 38,012.86-57,021.63-14,639.32

Finding the Fourth Proportional to 38,012.86, 57,021.63 and 14,639.32

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Solution

The fourth proportional to 38,012.86, 57,021.63 and 14,639.32 is: 21,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,012.86 : 57,021.63 = 14,639.32 : x
  2. Step 2: Convert to fraction form
    38,012.86/57,021.63 = 14,639.32/x
  3. Step 3: Cross multiply
    38,012.86x = 57,021.63 × 14,639.32
  4. Step 4: Simplify right side
    38,012.86x = 834,757,888.49
  5. Step 5: Solve for x
    x = 834,757,888.49/38,012.86
  6. Step 6: Final answer
    x = 21,959.88

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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.