Home / 37,143.23-51,252.57-21,012.74

Finding the Fourth Proportional to 37,143.23, 51,252.57 and 21,012.74

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Solution

The fourth proportional to 37,143.23, 51,252.57 and 21,012.74 is: 28,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.23 : 51,252.57 = 21,012.74 : x
  2. Step 2: Convert to fraction form
    37,143.23/51,252.57 = 21,012.74/x
  3. Step 3: Cross multiply
    37,143.23x = 51,252.57 × 21,012.74
  4. Step 4: Simplify right side
    37,143.23x = 1,076,957,066.92
  5. Step 5: Solve for x
    x = 1,076,957,066.92/37,143.23
  6. Step 6: Final answer
    x = 28,994.70

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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.