Home / 57,658.07-86,495.61-18,206.21

Finding the Fourth Proportional to 57,658.07, 86,495.61 and 18,206.21

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Solution

The fourth proportional to 57,658.07, 86,495.61 and 18,206.21 is: 27,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,658.07 : 86,495.61 = 18,206.21 : x
  2. Step 2: Convert to fraction form
    57,658.07/86,495.61 = 18,206.21/x
  3. Step 3: Cross multiply
    57,658.07x = 86,495.61 × 18,206.21
  4. Step 4: Simplify right side
    57,658.07x = 1,574,757,239.74
  5. Step 5: Solve for x
    x = 1,574,757,239.74/57,658.07
  6. Step 6: Final answer
    x = 27,312.00

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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.