Home / 53,140.14-79,715.10-13,697.40

Finding the Fourth Proportional to 53,140.14, 79,715.10 and 13,697.40

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Solution

The fourth proportional to 53,140.14, 79,715.10 and 13,697.40 is: 20,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,140.14 : 79,715.10 = 13,697.40 : x
  2. Step 2: Convert to fraction form
    53,140.14/79,715.10 = 13,697.40/x
  3. Step 3: Cross multiply
    53,140.14x = 79,715.10 × 13,697.40
  4. Step 4: Simplify right side
    53,140.14x = 1,091,889,610.74
  5. Step 5: Solve for x
    x = 1,091,889,610.74/53,140.14
  6. Step 6: Final answer
    x = 20,547.36

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