Home / 30,756.89-45,966.80-22,454.39

Finding the Fourth Proportional to 30,756.89, 45,966.80 and 22,454.39

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Solution

The fourth proportional to 30,756.89, 45,966.80 and 22,454.39 is: 33,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756.89 : 45,966.80 = 22,454.39 : x
  2. Step 2: Convert to fraction form
    30,756.89/45,966.80 = 22,454.39/x
  3. Step 3: Cross multiply
    30,756.89x = 45,966.80 × 22,454.39
  4. Step 4: Simplify right side
    30,756.89x = 1,032,156,625.30
  5. Step 5: Solve for x
    x = 1,032,156,625.30/30,756.89
  6. Step 6: Final answer
    x = 33,558.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.