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Finding the Fourth Proportional to 60,054.36, 82,877.36 and 39,876.45

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Solution

The fourth proportional to 60,054.36, 82,877.36 and 39,876.45 is: 55,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,054.36 : 82,877.36 = 39,876.45 : x
  2. Step 2: Convert to fraction form
    60,054.36/82,877.36 = 39,876.45/x
  3. Step 3: Cross multiply
    60,054.36x = 82,877.36 × 39,876.45
  4. Step 4: Simplify right side
    60,054.36x = 3,304,854,702.79
  5. Step 5: Solve for x
    x = 3,304,854,702.79/60,054.36
  6. Step 6: Final answer
    x = 55,031.05

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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.