Home / 31,759.48-47,632.27-13,021.08

Finding the Fourth Proportional to 31,759.48, 47,632.27 and 13,021.08

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Solution

The fourth proportional to 31,759.48, 47,632.27 and 13,021.08 is: 19,528.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,759.48 : 47,632.27 = 13,021.08 : x
  2. Step 2: Convert to fraction form
    31,759.48/47,632.27 = 13,021.08/x
  3. Step 3: Cross multiply
    31,759.48x = 47,632.27 × 13,021.08
  4. Step 4: Simplify right side
    31,759.48x = 620,223,598.25
  5. Step 5: Solve for x
    x = 620,223,598.25/31,759.48
  6. Step 6: Final answer
    x = 19,528.77

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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.