Home / 64,115.40-96,184.16-28,589.34

Finding the Fourth Proportional to 64,115.40, 96,184.16 and 28,589.34

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Solution

The fourth proportional to 64,115.40, 96,184.16 and 28,589.34 is: 42,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,115.40 : 96,184.16 = 28,589.34 : x
  2. Step 2: Convert to fraction form
    64,115.40/96,184.16 = 28,589.34/x
  3. Step 3: Cross multiply
    64,115.40x = 96,184.16 × 28,589.34
  4. Step 4: Simplify right side
    64,115.40x = 2,749,841,652.85
  5. Step 5: Solve for x
    x = 2,749,841,652.85/64,115.40
  6. Step 6: Final answer
    x = 42,888.94

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1.5x scale

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.