Home / 44,478.22-61,420.77-28,590.34

Finding the Fourth Proportional to 44,478.22, 61,420.77 and 28,590.34

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Solution

The fourth proportional to 44,478.22, 61,420.77 and 28,590.34 is: 39,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,478.22 : 61,420.77 = 28,590.34 : x
  2. Step 2: Convert to fraction form
    44,478.22/61,420.77 = 28,590.34/x
  3. Step 3: Cross multiply
    44,478.22x = 61,420.77 × 28,590.34
  4. Step 4: Simplify right side
    44,478.22x = 1,756,040,697.36
  5. Step 5: Solve for x
    x = 1,756,040,697.36/44,478.22
  6. Step 6: Final answer
    x = 39,480.91

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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.