Home / 51,649.32-71,270.19-28,983.63

Finding the Fourth Proportional to 51,649.32, 71,270.19 and 28,983.63

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Solution

The fourth proportional to 51,649.32, 71,270.19 and 28,983.63 is: 39,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,649.32 : 71,270.19 = 28,983.63 : x
  2. Step 2: Convert to fraction form
    51,649.32/71,270.19 = 28,983.63/x
  3. Step 3: Cross multiply
    51,649.32x = 71,270.19 × 28,983.63
  4. Step 4: Simplify right side
    51,649.32x = 2,065,668,816.99
  5. Step 5: Solve for x
    x = 2,065,668,816.99/51,649.32
  6. Step 6: Final answer
    x = 39,994.11

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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.