Home / 51,660.18-71,285.27-28,994.46

Finding the Fourth Proportional to 51,660.18, 71,285.27 and 28,994.46

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Solution

The fourth proportional to 51,660.18, 71,285.27 and 28,994.46 is: 40,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,660.18 : 71,285.27 = 28,994.46 : x
  2. Step 2: Convert to fraction form
    51,660.18/71,285.27 = 28,994.46/x
  3. Step 3: Cross multiply
    51,660.18x = 71,285.27 × 28,994.46
  4. Step 4: Simplify right side
    51,660.18x = 2,066,877,497.31
  5. Step 5: Solve for x
    x = 2,066,877,497.31/51,660.18
  6. Step 6: Final answer
    x = 40,009.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.