Home / 34,545.36-51,810.30-13,485.90

Finding the Fourth Proportional to 34,545.36, 51,810.30 and 13,485.90

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Solution

The fourth proportional to 34,545.36, 51,810.30 and 13,485.90 is: 20,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,545.36 : 51,810.30 = 13,485.90 : x
  2. Step 2: Convert to fraction form
    34,545.36/51,810.30 = 13,485.90/x
  3. Step 3: Cross multiply
    34,545.36x = 51,810.30 × 13,485.90
  4. Step 4: Simplify right side
    34,545.36x = 698,708,524.77
  5. Step 5: Solve for x
    x = 698,708,524.77/34,545.36
  6. Step 6: Final answer
    x = 20,225.83

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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.