Home / 31,511.55-47,267.33-28,595.55

Finding the Fourth Proportional to 31,511.55, 47,267.33 and 28,595.55

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Solution

The fourth proportional to 31,511.55, 47,267.33 and 28,595.55 is: 42,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.55 : 47,267.33 = 28,595.55 : x
  2. Step 2: Convert to fraction form
    31,511.55/47,267.33 = 28,595.55/x
  3. Step 3: Cross multiply
    31,511.55x = 47,267.33 × 28,595.55
  4. Step 4: Simplify right side
    31,511.55x = 1,351,635,155.40
  5. Step 5: Solve for x
    x = 1,351,635,155.40/31,511.55
  6. Step 6: Final answer
    x = 42,893.33

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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.