Home / 53,307.50-79,961.68-18,247.46

Finding the Fourth Proportional to 53,307.50, 79,961.68 and 18,247.46

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Solution

The fourth proportional to 53,307.50, 79,961.68 and 18,247.46 is: 27,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,307.50 : 79,961.68 = 18,247.46 : x
  2. Step 2: Convert to fraction form
    53,307.50/79,961.68 = 18,247.46/x
  3. Step 3: Cross multiply
    53,307.50x = 79,961.68 × 18,247.46
  4. Step 4: Simplify right side
    53,307.50x = 1,459,097,557.33
  5. Step 5: Solve for x
    x = 1,459,097,557.33/53,307.50
  6. Step 6: Final answer
    x = 27,371.34

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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.