Home / 38,307.48-57,461.22-12,014.28

Finding the Fourth Proportional to 38,307.48, 57,461.22 and 12,014.28

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Solution

The fourth proportional to 38,307.48, 57,461.22 and 12,014.28 is: 18,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.48 : 57,461.22 = 12,014.28 : x
  2. Step 2: Convert to fraction form
    38,307.48/57,461.22 = 12,014.28/x
  3. Step 3: Cross multiply
    38,307.48x = 57,461.22 × 12,014.28
  4. Step 4: Simplify right side
    38,307.48x = 690,355,186.22
  5. Step 5: Solve for x
    x = 690,355,186.22/38,307.48
  6. Step 6: Final answer
    x = 18,021.42

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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.