Home / 56,241.24-77,607.90-31,090.20

Finding the Fourth Proportional to 56,241.24, 77,607.90 and 31,090.20

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Solution

The fourth proportional to 56,241.24, 77,607.90 and 31,090.20 is: 42,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,241.24 : 77,607.90 = 31,090.20 : x
  2. Step 2: Convert to fraction form
    56,241.24/77,607.90 = 31,090.20/x
  3. Step 3: Cross multiply
    56,241.24x = 77,607.90 × 31,090.20
  4. Step 4: Simplify right side
    56,241.24x = 2,412,845,132.58
  5. Step 5: Solve for x
    x = 2,412,845,132.58/56,241.24
  6. Step 6: Final answer
    x = 42,901.71

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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.