Home / 54,670.21-75,419.10-31,995.16

Finding the Fourth Proportional to 54,670.21, 75,419.10 and 31,995.16

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Solution

The fourth proportional to 54,670.21, 75,419.10 and 31,995.16 is: 44,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,670.21 : 75,419.10 = 31,995.16 : x
  2. Step 2: Convert to fraction form
    54,670.21/75,419.10 = 31,995.16/x
  3. Step 3: Cross multiply
    54,670.21x = 75,419.10 × 31,995.16
  4. Step 4: Simplify right side
    54,670.21x = 2,413,045,983.01
  5. Step 5: Solve for x
    x = 2,413,045,983.01/54,670.21
  6. Step 6: Final answer
    x = 44,138.22

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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.