Home / 31,938.26-47,913.17-13,208.13

Finding the Fourth Proportional to 31,938.26, 47,913.17 and 13,208.13

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Solution

The fourth proportional to 31,938.26, 47,913.17 and 13,208.13 is: 19,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938.26 : 47,913.17 = 13,208.13 : x
  2. Step 2: Convert to fraction form
    31,938.26/47,913.17 = 13,208.13/x
  3. Step 3: Cross multiply
    31,938.26x = 47,913.17 × 13,208.13
  4. Step 4: Simplify right side
    31,938.26x = 632,843,312.03
  5. Step 5: Solve for x
    x = 632,843,312.03/31,938.26
  6. Step 6: Final answer
    x = 19,814.59

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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.