Home / 56,237.20-77,617.38-42,787.96

Finding the Fourth Proportional to 56,237.20, 77,617.38 and 42,787.96

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Solution

The fourth proportional to 56,237.20, 77,617.38 and 42,787.96 is: 59,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,237.20 : 77,617.38 = 42,787.96 : x
  2. Step 2: Convert to fraction form
    56,237.20/77,617.38 = 42,787.96/x
  3. Step 3: Cross multiply
    56,237.20x = 77,617.38 × 42,787.96
  4. Step 4: Simplify right side
    56,237.20x = 3,321,089,350.74
  5. Step 5: Solve for x
    x = 3,321,089,350.74/56,237.20
  6. Step 6: Final answer
    x = 59,055.03

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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.