Home / 31,725.36-47,588.38-13,000.59

Finding the Fourth Proportional to 31,725.36, 47,588.38 and 13,000.59

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Solution

The fourth proportional to 31,725.36, 47,588.38 and 13,000.59 is: 19,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.36 : 47,588.38 = 13,000.59 : x
  2. Step 2: Convert to fraction form
    31,725.36/47,588.38 = 13,000.59/x
  3. Step 3: Cross multiply
    31,725.36x = 47,588.38 × 13,000.59
  4. Step 4: Simplify right side
    31,725.36x = 618,676,984.64
  5. Step 5: Solve for x
    x = 618,676,984.64/31,725.36
  6. Step 6: Final answer
    x = 19,501.02

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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.