Home / 56,438.18-77,885.43-30,944.48

Finding the Fourth Proportional to 56,438.18, 77,885.43 and 30,944.48

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Solution

The fourth proportional to 56,438.18, 77,885.43 and 30,944.48 is: 42,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438.18 : 77,885.43 = 30,944.48 : x
  2. Step 2: Convert to fraction form
    56,438.18/77,885.43 = 30,944.48/x
  3. Step 3: Cross multiply
    56,438.18x = 77,885.43 × 30,944.48
  4. Step 4: Simplify right side
    56,438.18x = 2,410,124,325.64
  5. Step 5: Solve for x
    x = 2,410,124,325.64/56,438.18
  6. Step 6: Final answer
    x = 42,703.80

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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.