Home / 42,313.74-63,403.84-15,622.99

Finding the Fourth Proportional to 42,313.74, 63,403.84 and 15,622.99

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Solution

The fourth proportional to 42,313.74, 63,403.84 and 15,622.99 is: 23,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,313.74 : 63,403.84 = 15,622.99 : x
  2. Step 2: Convert to fraction form
    42,313.74/63,403.84 = 15,622.99/x
  3. Step 3: Cross multiply
    42,313.74x = 63,403.84 × 15,622.99
  4. Step 4: Simplify right side
    42,313.74x = 990,557,558.28
  5. Step 5: Solve for x
    x = 990,557,558.28/42,313.74
  6. Step 6: Final answer
    x = 23,409.83

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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.