Home / 36,820.80-55,085.40-31,944.60

Finding the Fourth Proportional to 36,820.80, 55,085.40 and 31,944.60

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Solution

The fourth proportional to 36,820.80, 55,085.40 and 31,944.60 is: 47,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.80 : 55,085.40 = 31,944.60 : x
  2. Step 2: Convert to fraction form
    36,820.80/55,085.40 = 31,944.60/x
  3. Step 3: Cross multiply
    36,820.80x = 55,085.40 × 31,944.60
  4. Step 4: Simplify right side
    36,820.80x = 1,759,681,068.84
  5. Step 5: Solve for x
    x = 1,759,681,068.84/36,820.80
  6. Step 6: Final answer
    x = 47,790.41

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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.