Home / 54,017.60-81,026.40-51,101.60

Finding the Fourth Proportional to 54,017.60, 81,026.40 and 51,101.60

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Solution

The fourth proportional to 54,017.60, 81,026.40 and 51,101.60 is: 76,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,017.60 : 81,026.40 = 51,101.60 : x
  2. Step 2: Convert to fraction form
    54,017.60/81,026.40 = 51,101.60/x
  3. Step 3: Cross multiply
    54,017.60x = 81,026.40 × 51,101.60
  4. Step 4: Simplify right side
    54,017.60x = 4,140,578,682.24
  5. Step 5: Solve for x
    x = 4,140,578,682.24/54,017.60
  6. Step 6: Final answer
    x = 76,652.40

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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.