Home / 51,009.66-70,393.47-28,348.58

Finding the Fourth Proportional to 51,009.66, 70,393.47 and 28,348.58

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Solution

The fourth proportional to 51,009.66, 70,393.47 and 28,348.58 is: 39,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.66 : 70,393.47 = 28,348.58 : x
  2. Step 2: Convert to fraction form
    51,009.66/70,393.47 = 28,348.58/x
  3. Step 3: Cross multiply
    51,009.66x = 70,393.47 × 28,348.58
  4. Step 4: Simplify right side
    51,009.66x = 1,995,554,748.95
  5. Step 5: Solve for x
    x = 1,995,554,748.95/51,009.66
  6. Step 6: Final answer
    x = 39,121.11

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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.