Home / 37,957.29-56,930.07-12,991.59

Finding the Fourth Proportional to 37,957.29, 56,930.07 and 12,991.59

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Solution

The fourth proportional to 37,957.29, 56,930.07 and 12,991.59 is: 19,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,957.29 : 56,930.07 = 12,991.59 : x
  2. Step 2: Convert to fraction form
    37,957.29/56,930.07 = 12,991.59/x
  3. Step 3: Cross multiply
    37,957.29x = 56,930.07 × 12,991.59
  4. Step 4: Simplify right side
    37,957.29x = 739,612,128.11
  5. Step 5: Solve for x
    x = 739,612,128.11/37,957.29
  6. Step 6: Final answer
    x = 19,485.38

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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.