Home / 30,397.36-45,512.07-15,574.36

Finding the Fourth Proportional to 30,397.36, 45,512.07 and 15,574.36

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Solution

The fourth proportional to 30,397.36, 45,512.07 and 15,574.36 is: 23,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397.36 : 45,512.07 = 15,574.36 : x
  2. Step 2: Convert to fraction form
    30,397.36/45,512.07 = 15,574.36/x
  3. Step 3: Cross multiply
    30,397.36x = 45,512.07 × 15,574.36
  4. Step 4: Simplify right side
    30,397.36x = 708,821,362.53
  5. Step 5: Solve for x
    x = 708,821,362.53/30,397.36
  6. Step 6: Final answer
    x = 23,318.52

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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.