Home / 55,557.67-83,315.23-20,008.80

Finding the Fourth Proportional to 55,557.67, 83,315.23 and 20,008.80

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Solution

The fourth proportional to 55,557.67, 83,315.23 and 20,008.80 is: 30,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,557.67 : 83,315.23 = 20,008.80 : x
  2. Step 2: Convert to fraction form
    55,557.67/83,315.23 = 20,008.80/x
  3. Step 3: Cross multiply
    55,557.67x = 83,315.23 × 20,008.80
  4. Step 4: Simplify right side
    55,557.67x = 1,667,037,774.02
  5. Step 5: Solve for x
    x = 1,667,037,774.02/55,557.67
  6. Step 6: Final answer
    x = 30,005.54

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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.