Home / 38,307.42-57,437.64-15,811.11

Finding the Fourth Proportional to 38,307.42, 57,437.64 and 15,811.11

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Solution

The fourth proportional to 38,307.42, 57,437.64 and 15,811.11 is: 23,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.42 : 57,437.64 = 15,811.11 : x
  2. Step 2: Convert to fraction form
    38,307.42/57,437.64 = 15,811.11/x
  3. Step 3: Cross multiply
    38,307.42x = 57,437.64 × 15,811.11
  4. Step 4: Simplify right side
    38,307.42x = 908,152,844.18
  5. Step 5: Solve for x
    x = 908,152,844.18/38,307.42
  6. Step 6: Final answer
    x = 23,706.97

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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.