Home / 44,290.88-66,436.56-13,126.40

Finding the Fourth Proportional to 44,290.88, 66,436.56 and 13,126.40

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Solution

The fourth proportional to 44,290.88, 66,436.56 and 13,126.40 is: 19,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,290.88 : 66,436.56 = 13,126.40 : x
  2. Step 2: Convert to fraction form
    44,290.88/66,436.56 = 13,126.40/x
  3. Step 3: Cross multiply
    44,290.88x = 66,436.56 × 13,126.40
  4. Step 4: Simplify right side
    44,290.88x = 872,072,861.18
  5. Step 5: Solve for x
    x = 872,072,861.18/44,290.88
  6. Step 6: Final answer
    x = 19,689.67

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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.