Home / 55,996.21-84,006.75-20,457.46

Finding the Fourth Proportional to 55,996.21, 84,006.75 and 20,457.46

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Solution

The fourth proportional to 55,996.21, 84,006.75 and 20,457.46 is: 30,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,996.21 : 84,006.75 = 20,457.46 : x
  2. Step 2: Convert to fraction form
    55,996.21/84,006.75 = 20,457.46/x
  3. Step 3: Cross multiply
    55,996.21x = 84,006.75 × 20,457.46
  4. Step 4: Simplify right side
    55,996.21x = 1,718,564,909.58
  5. Step 5: Solve for x
    x = 1,718,564,909.58/55,996.21
  6. Step 6: Final answer
    x = 30,690.74

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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.