Home / 30,816.17-42,526.22-16,669.01

Finding the Fourth Proportional to 30,816.17, 42,526.22 and 16,669.01

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Solution

The fourth proportional to 30,816.17, 42,526.22 and 16,669.01 is: 23,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816.17 : 42,526.22 = 16,669.01 : x
  2. Step 2: Convert to fraction form
    30,816.17/42,526.22 = 16,669.01/x
  3. Step 3: Cross multiply
    30,816.17x = 42,526.22 × 16,669.01
  4. Step 4: Simplify right side
    30,816.17x = 708,869,986.44
  5. Step 5: Solve for x
    x = 708,869,986.44/30,816.17
  6. Step 6: Final answer
    x = 23,003.18

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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.