Home / 55,555.67-83,312.23-20,006.80

Finding the Fourth Proportional to 55,555.67, 83,312.23 and 20,006.80

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Solution

The fourth proportional to 55,555.67, 83,312.23 and 20,006.80 is: 30,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555.67 : 83,312.23 = 20,006.80 : x
  2. Step 2: Convert to fraction form
    55,555.67/83,312.23 = 20,006.80/x
  3. Step 3: Cross multiply
    55,555.67x = 83,312.23 × 20,006.80
  4. Step 4: Simplify right side
    55,555.67x = 1,666,811,123.16
  5. Step 5: Solve for x
    x = 1,666,811,123.16/55,555.67
  6. Step 6: Final answer
    x = 30,002.54

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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.