Home / 54,982.08-75,875.28-31,108.28

Finding the Fourth Proportional to 54,982.08, 75,875.28 and 31,108.28

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Solution

The fourth proportional to 54,982.08, 75,875.28 and 31,108.28 is: 42,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,982.08 : 75,875.28 = 31,108.28 : x
  2. Step 2: Convert to fraction form
    54,982.08/75,875.28 = 31,108.28/x
  3. Step 3: Cross multiply
    54,982.08x = 75,875.28 × 31,108.28
  4. Step 4: Simplify right side
    54,982.08x = 2,360,349,455.32
  5. Step 5: Solve for x
    x = 2,360,349,455.32/54,982.08
  6. Step 6: Final answer
    x = 42,929.43

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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.