Home / 43,682.31-65,523.47-28,985.13

Finding the Fourth Proportional to 43,682.31, 65,523.47 and 28,985.13

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Solution

The fourth proportional to 43,682.31, 65,523.47 and 28,985.13 is: 43,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,682.31 : 65,523.47 = 28,985.13 : x
  2. Step 2: Convert to fraction form
    43,682.31/65,523.47 = 28,985.13/x
  3. Step 3: Cross multiply
    43,682.31x = 65,523.47 × 28,985.13
  4. Step 4: Simplify right side
    43,682.31x = 1,899,206,151.08
  5. Step 5: Solve for x
    x = 1,899,206,151.08/43,682.31
  6. Step 6: Final answer
    x = 43,477.70

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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.