Home / 79,447.42-119,171.02-20,283.10

Finding the Fourth Proportional to 79,447.42, 119,171.02 and 20,283.10

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Solution

The fourth proportional to 79,447.42, 119,171.02 and 20,283.10 is: 30,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,447.42 : 119,171.02 = 20,283.10 : x
  2. Step 2: Convert to fraction form
    79,447.42/119,171.02 = 20,283.10/x
  3. Step 3: Cross multiply
    79,447.42x = 119,171.02 × 20,283.10
  4. Step 4: Simplify right side
    79,447.42x = 2,417,157,715.76
  5. Step 5: Solve for x
    x = 2,417,157,715.76/79,447.42
  6. Step 6: Final answer
    x = 30,424.62

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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.