Home / 47,161.18-65,082.45-28,298.32

Finding the Fourth Proportional to 47,161.18, 65,082.45 and 28,298.32

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Solution

The fourth proportional to 47,161.18, 65,082.45 and 28,298.32 is: 39,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.18 : 65,082.45 = 28,298.32 : x
  2. Step 2: Convert to fraction form
    47,161.18/65,082.45 = 28,298.32/x
  3. Step 3: Cross multiply
    47,161.18x = 65,082.45 × 28,298.32
  4. Step 4: Simplify right side
    47,161.18x = 1,841,723,996.48
  5. Step 5: Solve for x
    x = 1,841,723,996.48/47,161.18
  6. Step 6: Final answer
    x = 39,051.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.