Home / 57,107.21-78,802.52-34,132.47

Finding the Fourth Proportional to 57,107.21, 78,802.52 and 34,132.47

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Solution

The fourth proportional to 57,107.21, 78,802.52 and 34,132.47 is: 47,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,107.21 : 78,802.52 = 34,132.47 : x
  2. Step 2: Convert to fraction form
    57,107.21/78,802.52 = 34,132.47/x
  3. Step 3: Cross multiply
    57,107.21x = 78,802.52 × 34,132.47
  4. Step 4: Simplify right side
    57,107.21x = 2,689,724,479.16
  5. Step 5: Solve for x
    x = 2,689,724,479.16/57,107.21
  6. Step 6: Final answer
    x = 47,099.56

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1.5x scale

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.