Home / 64,631.90-96,950.02-17,880.86

Finding the Fourth Proportional to 64,631.90, 96,950.02 and 17,880.86

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Solution

The fourth proportional to 64,631.90, 96,950.02 and 17,880.86 is: 26,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,631.90 : 96,950.02 = 17,880.86 : x
  2. Step 2: Convert to fraction form
    64,631.90/96,950.02 = 17,880.86/x
  3. Step 3: Cross multiply
    64,631.90x = 96,950.02 × 17,880.86
  4. Step 4: Simplify right side
    64,631.90x = 1,733,549,734.62
  5. Step 5: Solve for x
    x = 1,733,549,734.62/64,631.90
  6. Step 6: Final answer
    x = 26,821.89

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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.