Home / 55,998.47-84,010.14-20,459.72

Finding the Fourth Proportional to 55,998.47, 84,010.14 and 20,459.72

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Solution

The fourth proportional to 55,998.47, 84,010.14 and 20,459.72 is: 30,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998.47 : 84,010.14 = 20,459.72 : x
  2. Step 2: Convert to fraction form
    55,998.47/84,010.14 = 20,459.72/x
  3. Step 3: Cross multiply
    55,998.47x = 84,010.14 × 20,459.72
  4. Step 4: Simplify right side
    55,998.47x = 1,718,823,521.51
  5. Step 5: Solve for x
    x = 1,718,823,521.51/55,998.47
  6. Step 6: Final answer
    x = 30,694.12

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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.