Home / 56,119.44-77,444.80-30,968.96

Finding the Fourth Proportional to 56,119.44, 77,444.80 and 30,968.96

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Solution

The fourth proportional to 56,119.44, 77,444.80 and 30,968.96 is: 42,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,119.44 : 77,444.80 = 30,968.96 : x
  2. Step 2: Convert to fraction form
    56,119.44/77,444.80 = 30,968.96/x
  3. Step 3: Cross multiply
    56,119.44x = 77,444.80 × 30,968.96
  4. Step 4: Simplify right side
    56,119.44x = 2,398,384,913.41
  5. Step 5: Solve for x
    x = 2,398,384,913.41/56,119.44
  6. Step 6: Final answer
    x = 42,737.15

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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.