Home / 31,336.66-47,019.35-13,572.75

Finding the Fourth Proportional to 31,336.66, 47,019.35 and 13,572.75

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Solution

The fourth proportional to 31,336.66, 47,019.35 and 13,572.75 is: 20,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.66 : 47,019.35 = 13,572.75 : x
  2. Step 2: Convert to fraction form
    31,336.66/47,019.35 = 13,572.75/x
  3. Step 3: Cross multiply
    31,336.66x = 47,019.35 × 13,572.75
  4. Step 4: Simplify right side
    31,336.66x = 638,182,027.07
  5. Step 5: Solve for x
    x = 638,182,027.07/31,336.66
  6. Step 6: Final answer
    x = 20,365.35

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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.