Home / 50,318.19-69,403.95-42,712.07

Finding the Fourth Proportional to 50,318.19, 69,403.95 and 42,712.07

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Solution

The fourth proportional to 50,318.19, 69,403.95 and 42,712.07 is: 58,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,318.19 : 69,403.95 = 42,712.07 : x
  2. Step 2: Convert to fraction form
    50,318.19/69,403.95 = 42,712.07/x
  3. Step 3: Cross multiply
    50,318.19x = 69,403.95 × 42,712.07
  4. Step 4: Simplify right side
    50,318.19x = 2,964,386,023.66
  5. Step 5: Solve for x
    x = 2,964,386,023.66/50,318.19
  6. Step 6: Final answer
    x = 58,912.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.