Home / 55,624.48-76,761.39-30,130.27

Finding the Fourth Proportional to 55,624.48, 76,761.39 and 30,130.27

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Solution

The fourth proportional to 55,624.48, 76,761.39 and 30,130.27 is: 41,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,624.48 : 76,761.39 = 30,130.27 : x
  2. Step 2: Convert to fraction form
    55,624.48/76,761.39 = 30,130.27/x
  3. Step 3: Cross multiply
    55,624.48x = 76,761.39 × 30,130.27
  4. Step 4: Simplify right side
    55,624.48x = 2,312,841,406.28
  5. Step 5: Solve for x
    x = 2,312,841,406.28/55,624.48
  6. Step 6: Final answer
    x = 41,579.56

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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.