Home / 30,261.15-45,391.73-10,541.70

Finding the Fourth Proportional to 30,261.15, 45,391.73 and 10,541.70

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Solution

The fourth proportional to 30,261.15, 45,391.73 and 10,541.70 is: 15,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.15 : 45,391.73 = 10,541.70 : x
  2. Step 2: Convert to fraction form
    30,261.15/45,391.73 = 10,541.70/x
  3. Step 3: Cross multiply
    30,261.15x = 45,391.73 × 10,541.70
  4. Step 4: Simplify right side
    30,261.15x = 478,505,947.43
  5. Step 5: Solve for x
    x = 478,505,947.43/30,261.15
  6. Step 6: Final answer
    x = 15,812.55

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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.