Home / 57,980.21-86,795.24-52,436.17

Finding the Fourth Proportional to 57,980.21, 86,795.24 and 52,436.17

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Solution

The fourth proportional to 57,980.21, 86,795.24 and 52,436.17 is: 78,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,980.21 : 86,795.24 = 52,436.17 : x
  2. Step 2: Convert to fraction form
    57,980.21/86,795.24 = 52,436.17/x
  3. Step 3: Cross multiply
    57,980.21x = 86,795.24 × 52,436.17
  4. Step 4: Simplify right side
    57,980.21x = 4,551,209,263.67
  5. Step 5: Solve for x
    x = 4,551,209,263.67/57,980.21
  6. Step 6: Final answer
    x = 78,495.91

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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.