Home / 39,891.04-55,018.20-37,208.32

Finding the Fourth Proportional to 39,891.04, 55,018.20 and 37,208.32

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Solution

The fourth proportional to 39,891.04, 55,018.20 and 37,208.32 is: 51,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,891.04 : 55,018.20 = 37,208.32 : x
  2. Step 2: Convert to fraction form
    39,891.04/55,018.20 = 37,208.32/x
  3. Step 3: Cross multiply
    39,891.04x = 55,018.20 × 37,208.32
  4. Step 4: Simplify right side
    39,891.04x = 2,047,134,791.42
  5. Step 5: Solve for x
    x = 2,047,134,791.42/39,891.04
  6. Step 6: Final answer
    x = 51,318.16

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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.