Home / 35,946.20-53,920.90-12,253.40

Finding the Fourth Proportional to 35,946.20, 53,920.90 and 12,253.40

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Solution

The fourth proportional to 35,946.20, 53,920.90 and 12,253.40 is: 18,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,946.20 : 53,920.90 = 12,253.40 : x
  2. Step 2: Convert to fraction form
    35,946.20/53,920.90 = 12,253.40/x
  3. Step 3: Cross multiply
    35,946.20x = 53,920.90 × 12,253.40
  4. Step 4: Simplify right side
    35,946.20x = 660,714,356.06
  5. Step 5: Solve for x
    x = 660,714,356.06/35,946.20
  6. Step 6: Final answer
    x = 18,380.65

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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.