Home / 49,810.20-74,496.60-38,000.40

Finding the Fourth Proportional to 49,810.20, 74,496.60 and 38,000.40

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Solution

The fourth proportional to 49,810.20, 74,496.60 and 38,000.40 is: 56,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,810.20 : 74,496.60 = 38,000.40 : x
  2. Step 2: Convert to fraction form
    49,810.20/74,496.60 = 38,000.40/x
  3. Step 3: Cross multiply
    49,810.20x = 74,496.60 × 38,000.40
  4. Step 4: Simplify right side
    49,810.20x = 2,830,900,598.64
  5. Step 5: Solve for x
    x = 2,830,900,598.64/49,810.20
  6. Step 6: Final answer
    x = 56,833.75

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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.