Home / 37,486.41-51,730.28-20,490.70

Finding the Fourth Proportional to 37,486.41, 51,730.28 and 20,490.70

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Solution

The fourth proportional to 37,486.41, 51,730.28 and 20,490.70 is: 28,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,486.41 : 51,730.28 = 20,490.70 : x
  2. Step 2: Convert to fraction form
    37,486.41/51,730.28 = 20,490.70/x
  3. Step 3: Cross multiply
    37,486.41x = 51,730.28 × 20,490.70
  4. Step 4: Simplify right side
    37,486.41x = 1,059,989,389.74
  5. Step 5: Solve for x
    x = 1,059,989,389.74/37,486.41
  6. Step 6: Final answer
    x = 28,276.63

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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.