Home / 35,946.40-53,919.60-12,575.20

Finding the Fourth Proportional to 35,946.40, 53,919.60 and 12,575.20

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Solution

The fourth proportional to 35,946.40, 53,919.60 and 12,575.20 is: 18,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,946.40 : 53,919.60 = 12,575.20 : x
  2. Step 2: Convert to fraction form
    35,946.40/53,919.60 = 12,575.20/x
  3. Step 3: Cross multiply
    35,946.40x = 53,919.60 × 12,575.20
  4. Step 4: Simplify right side
    35,946.40x = 678,049,753.92
  5. Step 5: Solve for x
    x = 678,049,753.92/35,946.40
  6. Step 6: Final answer
    x = 18,862.80

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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.