Home / 52,462.40-78,693.60-13,020.16

Finding the Fourth Proportional to 52,462.40, 78,693.60 and 13,020.16

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Solution

The fourth proportional to 52,462.40, 78,693.60 and 13,020.16 is: 19,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,462.40 : 78,693.60 = 13,020.16 : x
  2. Step 2: Convert to fraction form
    52,462.40/78,693.60 = 13,020.16/x
  3. Step 3: Cross multiply
    52,462.40x = 78,693.60 × 13,020.16
  4. Step 4: Simplify right side
    52,462.40x = 1,024,603,262.98
  5. Step 5: Solve for x
    x = 1,024,603,262.98/52,462.40
  6. Step 6: Final answer
    x = 19,530.24

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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.