Home / 57,011.14-78,703.42-35,802.10

Finding the Fourth Proportional to 57,011.14, 78,703.42 and 35,802.10

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Solution

The fourth proportional to 57,011.14, 78,703.42 and 35,802.10 is: 49,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011.14 : 78,703.42 = 35,802.10 : x
  2. Step 2: Convert to fraction form
    57,011.14/78,703.42 = 35,802.10/x
  3. Step 3: Cross multiply
    57,011.14x = 78,703.42 × 35,802.10
  4. Step 4: Simplify right side
    57,011.14x = 2,817,747,319.66
  5. Step 5: Solve for x
    x = 2,817,747,319.66/57,011.14
  6. Step 6: Final answer
    x = 49,424.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.