Home / 56,202.11-77,556.60-30,709.35

Finding the Fourth Proportional to 56,202.11, 77,556.60 and 30,709.35

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Solution

The fourth proportional to 56,202.11, 77,556.60 and 30,709.35 is: 42,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,202.11 : 77,556.60 = 30,709.35 : x
  2. Step 2: Convert to fraction form
    56,202.11/77,556.60 = 30,709.35/x
  3. Step 3: Cross multiply
    56,202.11x = 77,556.60 × 30,709.35
  4. Step 4: Simplify right side
    56,202.11x = 2,381,712,774.21
  5. Step 5: Solve for x
    x = 2,381,712,774.21/56,202.11
  6. Step 6: Final answer
    x = 42,377.64

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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.