Home / 48,429.32-66,820.70-28,274.66

Finding the Fourth Proportional to 48,429.32, 66,820.70 and 28,274.66

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Solution

The fourth proportional to 48,429.32, 66,820.70 and 28,274.66 is: 39,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,429.32 : 66,820.70 = 28,274.66 : x
  2. Step 2: Convert to fraction form
    48,429.32/66,820.70 = 28,274.66/x
  3. Step 3: Cross multiply
    48,429.32x = 66,820.70 × 28,274.66
  4. Step 4: Simplify right side
    48,429.32x = 1,889,332,573.46
  5. Step 5: Solve for x
    x = 1,889,332,573.46/48,429.32
  6. Step 6: Final answer
    x = 39,012.16

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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.