Home / 79,448.42-119,172.50-20,284.10

Finding the Fourth Proportional to 79,448.42, 119,172.50 and 20,284.10

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Solution

The fourth proportional to 79,448.42, 119,172.50 and 20,284.10 is: 30,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,448.42 : 119,172.50 = 20,284.10 : x
  2. Step 2: Convert to fraction form
    79,448.42/119,172.50 = 20,284.10/x
  3. Step 3: Cross multiply
    79,448.42x = 119,172.50 × 20,284.10
  4. Step 4: Simplify right side
    79,448.42x = 2,417,306,907.25
  5. Step 5: Solve for x
    x = 2,417,306,907.25/79,448.42
  6. Step 6: Final answer
    x = 30,426.12

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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.