Home / 37,135.79-55,608.60-20,477.35

Finding the Fourth Proportional to 37,135.79, 55,608.60 and 20,477.35

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Solution

The fourth proportional to 37,135.79, 55,608.60 and 20,477.35 is: 30,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,135.79 : 55,608.60 = 20,477.35 : x
  2. Step 2: Convert to fraction form
    37,135.79/55,608.60 = 20,477.35/x
  3. Step 3: Cross multiply
    37,135.79x = 55,608.60 × 20,477.35
  4. Step 4: Simplify right side
    37,135.79x = 1,138,716,487.17
  5. Step 5: Solve for x
    x = 1,138,716,487.17/37,135.79
  6. Step 6: Final answer
    x = 30,663.59

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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.