Home / 56,202.40-77,558.40-30,708.22

Finding the Fourth Proportional to 56,202.40, 77,558.40 and 30,708.22

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Solution

The fourth proportional to 56,202.40, 77,558.40 and 30,708.22 is: 42,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,202.40 : 77,558.40 = 30,708.22 : x
  2. Step 2: Convert to fraction form
    56,202.40/77,558.40 = 30,708.22/x
  3. Step 3: Cross multiply
    56,202.40x = 77,558.40 × 30,708.22
  4. Step 4: Simplify right side
    56,202.40x = 2,381,680,216.15
  5. Step 5: Solve for x
    x = 2,381,680,216.15/56,202.40
  6. Step 6: Final answer
    x = 42,376.84

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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.