Home / 35,930.67-53,896.10-12,557.10

Finding the Fourth Proportional to 35,930.67, 53,896.10 and 12,557.10

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Solution

The fourth proportional to 35,930.67, 53,896.10 and 12,557.10 is: 18,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,930.67 : 53,896.10 = 12,557.10 : x
  2. Step 2: Convert to fraction form
    35,930.67/53,896.10 = 12,557.10/x
  3. Step 3: Cross multiply
    35,930.67x = 53,896.10 × 12,557.10
  4. Step 4: Simplify right side
    35,930.67x = 676,778,654.52
  5. Step 5: Solve for x
    x = 676,778,654.52/35,930.67
  6. Step 6: Final answer
    x = 18,835.68

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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.