Home / 57,660.48-86,495.76-18,207.36

Finding the Fourth Proportional to 57,660.48, 86,495.76 and 18,207.36

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Solution

The fourth proportional to 57,660.48, 86,495.76 and 18,207.36 is: 27,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,660.48 : 86,495.76 = 18,207.36 : x
  2. Step 2: Convert to fraction form
    57,660.48/86,495.76 = 18,207.36/x
  3. Step 3: Cross multiply
    57,660.48x = 86,495.76 × 18,207.36
  4. Step 4: Simplify right side
    57,660.48x = 1,574,859,440.79
  5. Step 5: Solve for x
    x = 1,574,859,440.79/57,660.48
  6. Step 6: Final answer
    x = 27,312.63

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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.