Home / 42,518.88-63,749.42-23,811.76

Finding the Fourth Proportional to 42,518.88, 63,749.42 and 23,811.76

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Solution

The fourth proportional to 42,518.88, 63,749.42 and 23,811.76 is: 35,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,518.88 : 63,749.42 = 23,811.76 : x
  2. Step 2: Convert to fraction form
    42,518.88/63,749.42 = 23,811.76/x
  3. Step 3: Cross multiply
    42,518.88x = 63,749.42 × 23,811.76
  4. Step 4: Simplify right side
    42,518.88x = 1,517,985,889.18
  5. Step 5: Solve for x
    x = 1,517,985,889.18/42,518.88
  6. Step 6: Final answer
    x = 35,701.46

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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.