Home / 36,489.55-50,354.88-20,574.01

Finding the Fourth Proportional to 36,489.55, 50,354.88 and 20,574.01

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Solution

The fourth proportional to 36,489.55, 50,354.88 and 20,574.01 is: 28,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.55 : 50,354.88 = 20,574.01 : x
  2. Step 2: Convert to fraction form
    36,489.55/50,354.88 = 20,574.01/x
  3. Step 3: Cross multiply
    36,489.55x = 50,354.88 × 20,574.01
  4. Step 4: Simplify right side
    36,489.55x = 1,036,001,804.67
  5. Step 5: Solve for x
    x = 1,036,001,804.67/36,489.55
  6. Step 6: Final answer
    x = 28,391.74

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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.