Home / 55,436.36-76,505.70-31,565.12

Finding the Fourth Proportional to 55,436.36, 76,505.70 and 31,565.12

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Solution

The fourth proportional to 55,436.36, 76,505.70 and 31,565.12 is: 43,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,436.36 : 76,505.70 = 31,565.12 : x
  2. Step 2: Convert to fraction form
    55,436.36/76,505.70 = 31,565.12/x
  3. Step 3: Cross multiply
    55,436.36x = 76,505.70 × 31,565.12
  4. Step 4: Simplify right side
    55,436.36x = 2,414,911,601.18
  5. Step 5: Solve for x
    x = 2,414,911,601.18/55,436.36
  6. Step 6: Final answer
    x = 43,561.87

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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.