Home / 37,200.32-55,776.04-21,190.40

Finding the Fourth Proportional to 37,200.32, 55,776.04 and 21,190.40

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Solution

The fourth proportional to 37,200.32, 55,776.04 and 21,190.40 is: 31,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,200.32 : 55,776.04 = 21,190.40 : x
  2. Step 2: Convert to fraction form
    37,200.32/55,776.04 = 21,190.40/x
  3. Step 3: Cross multiply
    37,200.32x = 55,776.04 × 21,190.40
  4. Step 4: Simplify right side
    37,200.32x = 1,181,916,598.02
  5. Step 5: Solve for x
    x = 1,181,916,598.02/37,200.32
  6. Step 6: Final answer
    x = 31,771.68

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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.