Home / 57,748.48-86,739.20-34,420.48

Finding the Fourth Proportional to 57,748.48, 86,739.20 and 34,420.48

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Solution

The fourth proportional to 57,748.48, 86,739.20 and 34,420.48 is: 51,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748.48 : 86,739.20 = 34,420.48 : x
  2. Step 2: Convert to fraction form
    57,748.48/86,739.20 = 34,420.48/x
  3. Step 3: Cross multiply
    57,748.48x = 86,739.20 × 34,420.48
  4. Step 4: Simplify right side
    57,748.48x = 2,985,604,898.82
  5. Step 5: Solve for x
    x = 2,985,604,898.82/57,748.48
  6. Step 6: Final answer
    x = 51,700.15

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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.