Home / 30,711.19-45,749.84-29,781.94

Finding the Fourth Proportional to 30,711.19, 45,749.84 and 29,781.94

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Solution

The fourth proportional to 30,711.19, 45,749.84 and 29,781.94 is: 44,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,711.19 : 45,749.84 = 29,781.94 : x
  2. Step 2: Convert to fraction form
    30,711.19/45,749.84 = 29,781.94/x
  3. Step 3: Cross multiply
    30,711.19x = 45,749.84 × 29,781.94
  4. Step 4: Simplify right side
    30,711.19x = 1,362,518,989.89
  5. Step 5: Solve for x
    x = 1,362,518,989.89/30,711.19
  6. Step 6: Final answer
    x = 44,365.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.