Home / 37,394.56-51,605.58-20,400.16

Finding the Fourth Proportional to 37,394.56, 51,605.58 and 20,400.16

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Solution

The fourth proportional to 37,394.56, 51,605.58 and 20,400.16 is: 28,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,394.56 : 51,605.58 = 20,400.16 : x
  2. Step 2: Convert to fraction form
    37,394.56/51,605.58 = 20,400.16/x
  3. Step 3: Cross multiply
    37,394.56x = 51,605.58 × 20,400.16
  4. Step 4: Simplify right side
    37,394.56x = 1,052,762,088.89
  5. Step 5: Solve for x
    x = 1,052,762,088.89/37,394.56
  6. Step 6: Final answer
    x = 28,152.81

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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.