Home / 54,138.61-81,207.87-14,701.51

Finding the Fourth Proportional to 54,138.61, 81,207.87 and 14,701.51

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Solution

The fourth proportional to 54,138.61, 81,207.87 and 14,701.51 is: 22,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,138.61 : 81,207.87 = 14,701.51 : x
  2. Step 2: Convert to fraction form
    54,138.61/81,207.87 = 14,701.51/x
  3. Step 3: Cross multiply
    54,138.61x = 81,207.87 × 14,701.51
  4. Step 4: Simplify right side
    54,138.61x = 1,193,878,312.88
  5. Step 5: Solve for x
    x = 1,193,878,312.88/54,138.61
  6. Step 6: Final answer
    x = 22,052.25

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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.