Home / 69,948.09-104,900.22-30,465.45

Finding the Fourth Proportional to 69,948.09, 104,900.22 and 30,465.45

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Solution

The fourth proportional to 69,948.09, 104,900.22 and 30,465.45 is: 45,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,948.09 : 104,900.22 = 30,465.45 : x
  2. Step 2: Convert to fraction form
    69,948.09/104,900.22 = 30,465.45/x
  3. Step 3: Cross multiply
    69,948.09x = 104,900.22 × 30,465.45
  4. Step 4: Simplify right side
    69,948.09x = 3,195,832,407.40
  5. Step 5: Solve for x
    x = 3,195,832,407.40/69,948.09
  6. Step 6: Final answer
    x = 45,688.63

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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.