Home / 51,389.84-77,260.44-47,542.16

Finding the Fourth Proportional to 51,389.84, 77,260.44 and 47,542.16

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Solution

The fourth proportional to 51,389.84, 77,260.44 and 47,542.16 is: 71,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,389.84 : 77,260.44 = 47,542.16 : x
  2. Step 2: Convert to fraction form
    51,389.84/77,260.44 = 47,542.16/x
  3. Step 3: Cross multiply
    51,389.84x = 77,260.44 × 47,542.16
  4. Step 4: Simplify right side
    51,389.84x = 3,673,128,200.15
  5. Step 5: Solve for x
    x = 3,673,128,200.15/51,389.84
  6. Step 6: Final answer
    x = 71,475.77

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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.