Home / 51,082.02-70,491.84-28,421.05

Finding the Fourth Proportional to 51,082.02, 70,491.84 and 28,421.05

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Solution

The fourth proportional to 51,082.02, 70,491.84 and 28,421.05 is: 39,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,082.02 : 70,491.84 = 28,421.05 : x
  2. Step 2: Convert to fraction form
    51,082.02/70,491.84 = 28,421.05/x
  3. Step 3: Cross multiply
    51,082.02x = 70,491.84 × 28,421.05
  4. Step 4: Simplify right side
    51,082.02x = 2,003,451,967.13
  5. Step 5: Solve for x
    x = 2,003,451,967.13/51,082.02
  6. Step 6: Final answer
    x = 39,220.30

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Similar ratio
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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.