Home / 35,402.20-53,105.70-12,030.40

Finding the Fourth Proportional to 35,402.20, 53,105.70 and 12,030.40

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Solution

The fourth proportional to 35,402.20, 53,105.70 and 12,030.40 is: 18,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,402.20 : 53,105.70 = 12,030.40 : x
  2. Step 2: Convert to fraction form
    35,402.20/53,105.70 = 12,030.40/x
  3. Step 3: Cross multiply
    35,402.20x = 53,105.70 × 12,030.40
  4. Step 4: Simplify right side
    35,402.20x = 638,882,813.28
  5. Step 5: Solve for x
    x = 638,882,813.28/35,402.20
  6. Step 6: Final answer
    x = 18,046.42

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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.