Home / 38,140.93-57,211.41-10,438.93

Finding the Fourth Proportional to 38,140.93, 57,211.41 and 10,438.93

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Solution

The fourth proportional to 38,140.93, 57,211.41 and 10,438.93 is: 15,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.93 : 57,211.41 = 10,438.93 : x
  2. Step 2: Convert to fraction form
    38,140.93/57,211.41 = 10,438.93/x
  3. Step 3: Cross multiply
    38,140.93x = 57,211.41 × 10,438.93
  4. Step 4: Simplify right side
    38,140.93x = 597,225,904.19
  5. Step 5: Solve for x
    x = 597,225,904.19/38,140.93
  6. Step 6: Final answer
    x = 15,658.40

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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.