Home / 56,374.12-77,797.44-30,881.56

Finding the Fourth Proportional to 56,374.12, 77,797.44 and 30,881.56

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Solution

The fourth proportional to 56,374.12, 77,797.44 and 30,881.56 is: 42,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,374.12 : 77,797.44 = 30,881.56 : x
  2. Step 2: Convert to fraction form
    56,374.12/77,797.44 = 30,881.56/x
  3. Step 3: Cross multiply
    56,374.12x = 77,797.44 × 30,881.56
  4. Step 4: Simplify right side
    56,374.12x = 2,402,506,311.21
  5. Step 5: Solve for x
    x = 2,402,506,311.21/56,374.12
  6. Step 6: Final answer
    x = 42,617.19

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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.