Home / 46,996.20-64,832.40-28,129.68

Finding the Fourth Proportional to 46,996.20, 64,832.40 and 28,129.68

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Solution

The fourth proportional to 46,996.20, 64,832.40 and 28,129.68 is: 38,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,996.20 : 64,832.40 = 28,129.68 : x
  2. Step 2: Convert to fraction form
    46,996.20/64,832.40 = 28,129.68/x
  3. Step 3: Cross multiply
    46,996.20x = 64,832.40 × 28,129.68
  4. Step 4: Simplify right side
    46,996.20x = 1,823,714,665.63
  5. Step 5: Solve for x
    x = 1,823,714,665.63/46,996.20
  6. Step 6: Final answer
    x = 38,805.58

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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.