Home / 34,519.79-51,795.18-20,507.20

Finding the Fourth Proportional to 34,519.79, 51,795.18 and 20,507.20

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Solution

The fourth proportional to 34,519.79, 51,795.18 and 20,507.20 is: 30,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,519.79 : 51,795.18 = 20,507.20 : x
  2. Step 2: Convert to fraction form
    34,519.79/51,795.18 = 20,507.20/x
  3. Step 3: Cross multiply
    34,519.79x = 51,795.18 × 20,507.20
  4. Step 4: Simplify right side
    34,519.79x = 1,062,173,985.81
  5. Step 5: Solve for x
    x = 1,062,173,985.81/34,519.79
  6. Step 6: Final answer
    x = 30,770.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.