Home / 40,561.56-56,029.74-30,565.56

Finding the Fourth Proportional to 40,561.56, 56,029.74 and 30,565.56

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Solution

The fourth proportional to 40,561.56, 56,029.74 and 30,565.56 is: 42,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,561.56 : 56,029.74 = 30,565.56 : x
  2. Step 2: Convert to fraction form
    40,561.56/56,029.74 = 30,565.56/x
  3. Step 3: Cross multiply
    40,561.56x = 56,029.74 × 30,565.56
  4. Step 4: Simplify right side
    40,561.56x = 1,712,580,379.75
  5. Step 5: Solve for x
    x = 1,712,580,379.75/40,561.56
  6. Step 6: Final answer
    x = 42,221.76

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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.