Home / 44,307.40-66,438.30-13,138.60

Finding the Fourth Proportional to 44,307.40, 66,438.30 and 13,138.60

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Solution

The fourth proportional to 44,307.40, 66,438.30 and 13,138.60 is: 19,701.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,307.40 : 66,438.30 = 13,138.60 : x
  2. Step 2: Convert to fraction form
    44,307.40/66,438.30 = 13,138.60/x
  3. Step 3: Cross multiply
    44,307.40x = 66,438.30 × 13,138.60
  4. Step 4: Simplify right side
    44,307.40x = 872,906,248.38
  5. Step 5: Solve for x
    x = 872,906,248.38/44,307.40
  6. Step 6: Final answer
    x = 19,701.14

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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.