Home / 52,576.34-78,864.06-13,133.18

Finding the Fourth Proportional to 52,576.34, 78,864.06 and 13,133.18

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Solution

The fourth proportional to 52,576.34, 78,864.06 and 13,133.18 is: 19,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,576.34 : 78,864.06 = 13,133.18 : x
  2. Step 2: Convert to fraction form
    52,576.34/78,864.06 = 13,133.18/x
  3. Step 3: Cross multiply
    52,576.34x = 78,864.06 × 13,133.18
  4. Step 4: Simplify right side
    52,576.34x = 1,035,735,895.51
  5. Step 5: Solve for x
    x = 1,035,735,895.51/52,576.34
  6. Step 6: Final answer
    x = 19,699.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.