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Finding the Fourth Proportional to 40,350, 60,395.60 and 21,583.12

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Solution

The fourth proportional to 40,350, 60,395.60 and 21,583.12 is: 32,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,350 : 60,395.60 = 21,583.12 : x
  2. Step 2: Convert to fraction form
    40,350/60,395.60 = 21,583.12/x
  3. Step 3: Cross multiply
    40,350x = 60,395.60 × 21,583.12
  4. Step 4: Simplify right side
    40,350x = 1,303,525,482.27
  5. Step 5: Solve for x
    x = 1,303,525,482.27/40,350
  6. Step 6: Final answer
    x = 32,305.46

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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.