Home / 55,599.76-83,408.26-18,672.40

Finding the Fourth Proportional to 55,599.76, 83,408.26 and 18,672.40

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Solution

The fourth proportional to 55,599.76, 83,408.26 and 18,672.40 is: 28,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,599.76 : 83,408.26 = 18,672.40 : x
  2. Step 2: Convert to fraction form
    55,599.76/83,408.26 = 18,672.40/x
  3. Step 3: Cross multiply
    55,599.76x = 83,408.26 × 18,672.40
  4. Step 4: Simplify right side
    55,599.76x = 1,557,432,394.02
  5. Step 5: Solve for x
    x = 1,557,432,394.02/55,599.76
  6. Step 6: Final answer
    x = 28,011.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.