Home / 40,030.61-55,241.54-22,125.91

Finding the Fourth Proportional to 40,030.61, 55,241.54 and 22,125.91

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Solution

The fourth proportional to 40,030.61, 55,241.54 and 22,125.91 is: 30,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.61 : 55,241.54 = 22,125.91 : x
  2. Step 2: Convert to fraction form
    40,030.61/55,241.54 = 22,125.91/x
  3. Step 3: Cross multiply
    40,030.61x = 55,241.54 × 22,125.91
  4. Step 4: Simplify right side
    40,030.61x = 1,222,269,404.58
  5. Step 5: Solve for x
    x = 1,222,269,404.58/40,030.61
  6. Step 6: Final answer
    x = 30,533.37

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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.