Home / 79,448.56-119,172.70-20,284.26

Finding the Fourth Proportional to 79,448.56, 119,172.70 and 20,284.26

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Solution

The fourth proportional to 79,448.56, 119,172.70 and 20,284.26 is: 30,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,448.56 : 119,172.70 = 20,284.26 : x
  2. Step 2: Convert to fraction form
    79,448.56/119,172.70 = 20,284.26/x
  3. Step 3: Cross multiply
    79,448.56x = 119,172.70 × 20,284.26
  4. Step 4: Simplify right side
    79,448.56x = 2,417,330,031.70
  5. Step 5: Solve for x
    x = 2,417,330,031.70/79,448.56
  6. Step 6: Final answer
    x = 30,426.35

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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.