Home / 56,296.08-77,688.01-31,145.76

Finding the Fourth Proportional to 56,296.08, 77,688.01 and 31,145.76

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Solution

The fourth proportional to 56,296.08, 77,688.01 and 31,145.76 is: 42,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,296.08 : 77,688.01 = 31,145.76 : x
  2. Step 2: Convert to fraction form
    56,296.08/77,688.01 = 31,145.76/x
  3. Step 3: Cross multiply
    56,296.08x = 77,688.01 × 31,145.76
  4. Step 4: Simplify right side
    56,296.08x = 2,419,652,114.34
  5. Step 5: Solve for x
    x = 2,419,652,114.34/56,296.08
  6. Step 6: Final answer
    x = 42,980.83

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