Home / 56,031.82-77,321.93-30,537.68

Finding the Fourth Proportional to 56,031.82, 77,321.93 and 30,537.68

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Solution

The fourth proportional to 56,031.82, 77,321.93 and 30,537.68 is: 42,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,031.82 : 77,321.93 = 30,537.68 : x
  2. Step 2: Convert to fraction form
    56,031.82/77,321.93 = 30,537.68/x
  3. Step 3: Cross multiply
    56,031.82x = 77,321.93 × 30,537.68
  4. Step 4: Simplify right side
    56,031.82x = 2,361,232,335.01
  5. Step 5: Solve for x
    x = 2,361,232,335.01/56,031.82
  6. Step 6: Final answer
    x = 42,140.92

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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.