Home / 56,697.78-78,242.94-31,547.28

Finding the Fourth Proportional to 56,697.78, 78,242.94 and 31,547.28

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Solution

The fourth proportional to 56,697.78, 78,242.94 and 31,547.28 is: 43,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,697.78 : 78,242.94 = 31,547.28 : x
  2. Step 2: Convert to fraction form
    56,697.78/78,242.94 = 31,547.28/x
  3. Step 3: Cross multiply
    56,697.78x = 78,242.94 × 31,547.28
  4. Step 4: Simplify right side
    56,697.78x = 2,468,351,936.20
  5. Step 5: Solve for x
    x = 2,468,351,936.20/56,697.78
  6. Step 6: Final answer
    x = 43,535.25

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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.