Home / 47,320.26-65,309.48-28,457.39

Finding the Fourth Proportional to 47,320.26, 65,309.48 and 28,457.39

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Solution

The fourth proportional to 47,320.26, 65,309.48 and 28,457.39 is: 39,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320.26 : 65,309.48 = 28,457.39 : x
  2. Step 2: Convert to fraction form
    47,320.26/65,309.48 = 28,457.39/x
  3. Step 3: Cross multiply
    47,320.26x = 65,309.48 × 28,457.39
  4. Step 4: Simplify right side
    47,320.26x = 1,858,536,874.22
  5. Step 5: Solve for x
    x = 1,858,536,874.22/47,320.26
  6. Step 6: Final answer
    x = 39,275.71

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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.