Home / 57,870.02-86,715.68-39,076.40

Finding the Fourth Proportional to 57,870.02, 86,715.68 and 39,076.40

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Solution

The fourth proportional to 57,870.02, 86,715.68 and 39,076.40 is: 58,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,870.02 : 86,715.68 = 39,076.40 : x
  2. Step 2: Convert to fraction form
    57,870.02/86,715.68 = 39,076.40/x
  3. Step 3: Cross multiply
    57,870.02x = 86,715.68 × 39,076.40
  4. Step 4: Simplify right side
    57,870.02x = 3,388,536,597.95
  5. Step 5: Solve for x
    x = 3,388,536,597.95/57,870.02
  6. Step 6: Final answer
    x = 58,554.27

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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.