Home / 50,560.24-75,840.39-20,970.13

Finding the Fourth Proportional to 50,560.24, 75,840.39 and 20,970.13

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Solution

The fourth proportional to 50,560.24, 75,840.39 and 20,970.13 is: 31,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,560.24 : 75,840.39 = 20,970.13 : x
  2. Step 2: Convert to fraction form
    50,560.24/75,840.39 = 20,970.13/x
  3. Step 3: Cross multiply
    50,560.24x = 75,840.39 × 20,970.13
  4. Step 4: Simplify right side
    50,560.24x = 1,590,382,353.50
  5. Step 5: Solve for x
    x = 1,590,382,353.50/50,560.24
  6. Step 6: Final answer
    x = 31,455.20

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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.