Home / 30,029.60-45,096.32-18,411.04

Finding the Fourth Proportional to 30,029.60, 45,096.32 and 18,411.04

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Solution

The fourth proportional to 30,029.60, 45,096.32 and 18,411.04 is: 27,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,029.60 : 45,096.32 = 18,411.04 : x
  2. Step 2: Convert to fraction form
    30,029.60/45,096.32 = 18,411.04/x
  3. Step 3: Cross multiply
    30,029.60x = 45,096.32 × 18,411.04
  4. Step 4: Simplify right side
    30,029.60x = 830,270,151.37
  5. Step 5: Solve for x
    x = 830,270,151.37/30,029.60
  6. Step 6: Final answer
    x = 27,648.39

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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.