Home / 43,621.47-65,432.22-14,039.30

Finding the Fourth Proportional to 43,621.47, 65,432.22 and 14,039.30

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Solution

The fourth proportional to 43,621.47, 65,432.22 and 14,039.30 is: 21,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,621.47 : 65,432.22 = 14,039.30 : x
  2. Step 2: Convert to fraction form
    43,621.47/65,432.22 = 14,039.30/x
  3. Step 3: Cross multiply
    43,621.47x = 65,432.22 × 14,039.30
  4. Step 4: Simplify right side
    43,621.47x = 918,622,566.25
  5. Step 5: Solve for x
    x = 918,622,566.25/43,621.47
  6. Step 6: Final answer
    x = 21,058.95

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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.