Home / 30,368.25-45,550.89-10,645.29

Finding the Fourth Proportional to 30,368.25, 45,550.89 and 10,645.29

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Solution

The fourth proportional to 30,368.25, 45,550.89 and 10,645.29 is: 15,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.25 : 45,550.89 = 10,645.29 : x
  2. Step 2: Convert to fraction form
    30,368.25/45,550.89 = 10,645.29/x
  3. Step 3: Cross multiply
    30,368.25x = 45,550.89 × 10,645.29
  4. Step 4: Simplify right side
    30,368.25x = 484,902,433.81
  5. Step 5: Solve for x
    x = 484,902,433.81/30,368.25
  6. Step 6: Final answer
    x = 15,967.41

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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.