Home / 61,064.28-84,309.81-38,129.02

Finding the Fourth Proportional to 61,064.28, 84,309.81 and 38,129.02

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Solution

The fourth proportional to 61,064.28, 84,309.81 and 38,129.02 is: 52,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,064.28 : 84,309.81 = 38,129.02 : x
  2. Step 2: Convert to fraction form
    61,064.28/84,309.81 = 38,129.02/x
  3. Step 3: Cross multiply
    61,064.28x = 84,309.81 × 38,129.02
  4. Step 4: Simplify right side
    61,064.28x = 3,214,650,431.69
  5. Step 5: Solve for x
    x = 3,214,650,431.69/61,064.28
  6. Step 6: Final answer
    x = 52,643.71

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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.