Home / 51,343.02-70,845.84-28,679.22

Finding the Fourth Proportional to 51,343.02, 70,845.84 and 28,679.22

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Solution

The fourth proportional to 51,343.02, 70,845.84 and 28,679.22 is: 39,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,343.02 : 70,845.84 = 28,679.22 : x
  2. Step 2: Convert to fraction form
    51,343.02/70,845.84 = 28,679.22/x
  3. Step 3: Cross multiply
    51,343.02x = 70,845.84 × 28,679.22
  4. Step 4: Simplify right side
    51,343.02x = 2,031,803,431.44
  5. Step 5: Solve for x
    x = 2,031,803,431.44/51,343.02
  6. Step 6: Final answer
    x = 39,573.12

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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.