Home / 44,288.79-66,421.83-13,116.75

Finding the Fourth Proportional to 44,288.79, 66,421.83 and 13,116.75

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Solution

The fourth proportional to 44,288.79, 66,421.83 and 13,116.75 is: 19,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,288.79 : 66,421.83 = 13,116.75 : x
  2. Step 2: Convert to fraction form
    44,288.79/66,421.83 = 13,116.75/x
  3. Step 3: Cross multiply
    44,288.79x = 66,421.83 × 13,116.75
  4. Step 4: Simplify right side
    44,288.79x = 871,238,538.65
  5. Step 5: Solve for x
    x = 871,238,538.65/44,288.79
  6. Step 6: Final answer
    x = 19,671.76

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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.