Home / 43,333.20-64,999.80-40,417.20

Finding the Fourth Proportional to 43,333.20, 64,999.80 and 40,417.20

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Solution

The fourth proportional to 43,333.20, 64,999.80 and 40,417.20 is: 60,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,333.20 : 64,999.80 = 40,417.20 : x
  2. Step 2: Convert to fraction form
    43,333.20/64,999.80 = 40,417.20/x
  3. Step 3: Cross multiply
    43,333.20x = 64,999.80 × 40,417.20
  4. Step 4: Simplify right side
    43,333.20x = 2,627,109,916.56
  5. Step 5: Solve for x
    x = 2,627,109,916.56/43,333.20
  6. Step 6: Final answer
    x = 60,625.80

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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.