Home / 36,140.50-49,819.22-31,077.60

Finding the Fourth Proportional to 36,140.50, 49,819.22 and 31,077.60

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Solution

The fourth proportional to 36,140.50, 49,819.22 and 31,077.60 is: 42,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.50 : 49,819.22 = 31,077.60 : x
  2. Step 2: Convert to fraction form
    36,140.50/49,819.22 = 31,077.60/x
  3. Step 3: Cross multiply
    36,140.50x = 49,819.22 × 31,077.60
  4. Step 4: Simplify right side
    36,140.50x = 1,548,261,386.99
  5. Step 5: Solve for x
    x = 1,548,261,386.99/36,140.50
  6. Step 6: Final answer
    x = 42,840.07

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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.