Home / 30,545.08-45,807.37-13,667.52

Finding the Fourth Proportional to 30,545.08, 45,807.37 and 13,667.52

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Solution

The fourth proportional to 30,545.08, 45,807.37 and 13,667.52 is: 20,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.08 : 45,807.37 = 13,667.52 : x
  2. Step 2: Convert to fraction form
    30,545.08/45,807.37 = 13,667.52/x
  3. Step 3: Cross multiply
    30,545.08x = 45,807.37 × 13,667.52
  4. Step 4: Simplify right side
    30,545.08x = 626,073,102.44
  5. Step 5: Solve for x
    x = 626,073,102.44/30,545.08
  6. Step 6: Final answer
    x = 20,496.69

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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.