Home / 42,371.94-63,518.67-15,703.08

Finding the Fourth Proportional to 42,371.94, 63,518.67 and 15,703.08

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Solution

The fourth proportional to 42,371.94, 63,518.67 and 15,703.08 is: 23,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,371.94 : 63,518.67 = 15,703.08 : x
  2. Step 2: Convert to fraction form
    42,371.94/63,518.67 = 15,703.08/x
  3. Step 3: Cross multiply
    42,371.94x = 63,518.67 × 15,703.08
  4. Step 4: Simplify right side
    42,371.94x = 997,438,756.50
  5. Step 5: Solve for x
    x = 997,438,756.50/42,371.94
  6. Step 6: Final answer
    x = 23,540.08

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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.