Home / 34,136.64-51,139.35-19,301.49

Finding the Fourth Proportional to 34,136.64, 51,139.35 and 19,301.49

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Solution

The fourth proportional to 34,136.64, 51,139.35 and 19,301.49 is: 28,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136.64 : 51,139.35 = 19,301.49 : x
  2. Step 2: Convert to fraction form
    34,136.64/51,139.35 = 19,301.49/x
  3. Step 3: Cross multiply
    34,136.64x = 51,139.35 × 19,301.49
  4. Step 4: Simplify right side
    34,136.64x = 987,065,652.63
  5. Step 5: Solve for x
    x = 987,065,652.63/34,136.64
  6. Step 6: Final answer
    x = 28,915.14

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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.