Home / 50,421.40-75,632.10-49,765.30

Finding the Fourth Proportional to 50,421.40, 75,632.10 and 49,765.30

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Solution

The fourth proportional to 50,421.40, 75,632.10 and 49,765.30 is: 74,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,421.40 : 75,632.10 = 49,765.30 : x
  2. Step 2: Convert to fraction form
    50,421.40/75,632.10 = 49,765.30/x
  3. Step 3: Cross multiply
    50,421.40x = 75,632.10 × 49,765.30
  4. Step 4: Simplify right side
    50,421.40x = 3,763,854,146.13
  5. Step 5: Solve for x
    x = 3,763,854,146.13/50,421.40
  6. Step 6: Final answer
    x = 74,647.95

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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.