Home / 64,818.72-97,189.20-25,328.80

Finding the Fourth Proportional to 64,818.72, 97,189.20 and 25,328.80

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Solution

The fourth proportional to 64,818.72, 97,189.20 and 25,328.80 is: 37,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,818.72 : 97,189.20 = 25,328.80 : x
  2. Step 2: Convert to fraction form
    64,818.72/97,189.20 = 25,328.80/x
  3. Step 3: Cross multiply
    64,818.72x = 97,189.20 × 25,328.80
  4. Step 4: Simplify right side
    64,818.72x = 2,461,685,808.96
  5. Step 5: Solve for x
    x = 2,461,685,808.96/64,818.72
  6. Step 6: Final answer
    x = 37,978.01

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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.