Home / 50,869.40-76,307.54-18,851.45

Finding the Fourth Proportional to 50,869.40, 76,307.54 and 18,851.45

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Solution

The fourth proportional to 50,869.40, 76,307.54 and 18,851.45 is: 28,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,869.40 : 76,307.54 = 18,851.45 : x
  2. Step 2: Convert to fraction form
    50,869.40/76,307.54 = 18,851.45/x
  3. Step 3: Cross multiply
    50,869.40x = 76,307.54 × 18,851.45
  4. Step 4: Simplify right side
    50,869.40x = 1,438,507,299.14
  5. Step 5: Solve for x
    x = 1,438,507,299.14/50,869.40
  6. Step 6: Final answer
    x = 28,278.44

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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.