Home / 56,753.64-78,322.44-31,603.14

Finding the Fourth Proportional to 56,753.64, 78,322.44 and 31,603.14

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Solution

The fourth proportional to 56,753.64, 78,322.44 and 31,603.14 is: 43,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753.64 : 78,322.44 = 31,603.14 : x
  2. Step 2: Convert to fraction form
    56,753.64/78,322.44 = 31,603.14/x
  3. Step 3: Cross multiply
    56,753.64x = 78,322.44 × 31,603.14
  4. Step 4: Simplify right side
    56,753.64x = 2,475,235,036.46
  5. Step 5: Solve for x
    x = 2,475,235,036.46/56,753.64
  6. Step 6: Final answer
    x = 43,613.68

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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.