Home / 44,288.88-66,433.56-13,124.40

Finding the Fourth Proportional to 44,288.88, 66,433.56 and 13,124.40

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Solution

The fourth proportional to 44,288.88, 66,433.56 and 13,124.40 is: 19,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,288.88 : 66,433.56 = 13,124.40 : x
  2. Step 2: Convert to fraction form
    44,288.88/66,433.56 = 13,124.40/x
  3. Step 3: Cross multiply
    44,288.88x = 66,433.56 × 13,124.40
  4. Step 4: Simplify right side
    44,288.88x = 871,900,614.86
  5. Step 5: Solve for x
    x = 871,900,614.86/44,288.88
  6. Step 6: Final answer
    x = 19,686.67

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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.