Home / 37,770.08-56,661.60-20,235.20

Finding the Fourth Proportional to 37,770.08, 56,661.60 and 20,235.20

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Solution

The fourth proportional to 37,770.08, 56,661.60 and 20,235.20 is: 30,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,770.08 : 56,661.60 = 20,235.20 : x
  2. Step 2: Convert to fraction form
    37,770.08/56,661.60 = 20,235.20/x
  3. Step 3: Cross multiply
    37,770.08x = 56,661.60 × 20,235.20
  4. Step 4: Simplify right side
    37,770.08x = 1,146,558,808.32
  5. Step 5: Solve for x
    x = 1,146,558,808.32/37,770.08
  6. Step 6: Final answer
    x = 30,356.27

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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.