Home / 40,657.20-60,985.80-26,705.40

Finding the Fourth Proportional to 40,657.20, 60,985.80 and 26,705.40

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Solution

The fourth proportional to 40,657.20, 60,985.80 and 26,705.40 is: 40,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,657.20 : 60,985.80 = 26,705.40 : x
  2. Step 2: Convert to fraction form
    40,657.20/60,985.80 = 26,705.40/x
  3. Step 3: Cross multiply
    40,657.20x = 60,985.80 × 26,705.40
  4. Step 4: Simplify right side
    40,657.20x = 1,628,650,183.32
  5. Step 5: Solve for x
    x = 1,628,650,183.32/40,657.20
  6. Step 6: Final answer
    x = 40,058.10

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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.