Home / 37,036.18-51,108.61-21,125.74

Finding the Fourth Proportional to 37,036.18, 51,108.61 and 21,125.74

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Solution

The fourth proportional to 37,036.18, 51,108.61 and 21,125.74 is: 29,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,036.18 : 51,108.61 = 21,125.74 : x
  2. Step 2: Convert to fraction form
    37,036.18/51,108.61 = 21,125.74/x
  3. Step 3: Cross multiply
    37,036.18x = 51,108.61 × 21,125.74
  4. Step 4: Simplify right side
    37,036.18x = 1,079,707,206.62
  5. Step 5: Solve for x
    x = 1,079,707,206.62/37,036.18
  6. Step 6: Final answer
    x = 29,152.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.