Home / 42,768.96-64,148.40-13,184.16

Finding the Fourth Proportional to 42,768.96, 64,148.40 and 13,184.16

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Solution

The fourth proportional to 42,768.96, 64,148.40 and 13,184.16 is: 19,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768.96 : 64,148.40 = 13,184.16 : x
  2. Step 2: Convert to fraction form
    42,768.96/64,148.40 = 13,184.16/x
  3. Step 3: Cross multiply
    42,768.96x = 64,148.40 × 13,184.16
  4. Step 4: Simplify right side
    42,768.96x = 845,742,769.34
  5. Step 5: Solve for x
    x = 845,742,769.34/42,768.96
  6. Step 6: Final answer
    x = 19,774.69

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