Home / 56,331.69-77,737.09-30,837.75

Finding the Fourth Proportional to 56,331.69, 77,737.09 and 30,837.75

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Solution

The fourth proportional to 56,331.69, 77,737.09 and 30,837.75 is: 42,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,331.69 : 77,737.09 = 30,837.75 : x
  2. Step 2: Convert to fraction form
    56,331.69/77,737.09 = 30,837.75/x
  3. Step 3: Cross multiply
    56,331.69x = 77,737.09 × 30,837.75
  4. Step 4: Simplify right side
    56,331.69x = 2,397,236,792.96
  5. Step 5: Solve for x
    x = 2,397,236,792.96/56,331.69
  6. Step 6: Final answer
    x = 42,555.74

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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.