Home / 34,272.86-47,277.55-19,931.12

Finding the Fourth Proportional to 34,272.86, 47,277.55 and 19,931.12

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Solution

The fourth proportional to 34,272.86, 47,277.55 and 19,931.12 is: 27,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,272.86 : 47,277.55 = 19,931.12 : x
  2. Step 2: Convert to fraction form
    34,272.86/47,277.55 = 19,931.12/x
  3. Step 3: Cross multiply
    34,272.86x = 47,277.55 × 19,931.12
  4. Step 4: Simplify right side
    34,272.86x = 942,294,522.36
  5. Step 5: Solve for x
    x = 942,294,522.36/34,272.86
  6. Step 6: Final answer
    x = 27,493.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.