Home / 31,431.03-47,136.53-10,367.13

Finding the Fourth Proportional to 31,431.03, 47,136.53 and 10,367.13

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Solution

The fourth proportional to 31,431.03, 47,136.53 and 10,367.13 is: 15,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,431.03 : 47,136.53 = 10,367.13 : x
  2. Step 2: Convert to fraction form
    31,431.03/47,136.53 = 10,367.13/x
  3. Step 3: Cross multiply
    31,431.03x = 47,136.53 × 10,367.13
  4. Step 4: Simplify right side
    31,431.03x = 488,670,534.26
  5. Step 5: Solve for x
    x = 488,670,534.26/31,431.03
  6. Step 6: Final answer
    x = 15,547.39

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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.