Home / 29,662.08-40,937.28-16,918.40

Finding the Fourth Proportional to 29,662.08, 40,937.28 and 16,918.40

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Solution

The fourth proportional to 29,662.08, 40,937.28 and 16,918.40 is: 23,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,662.08 : 40,937.28 = 16,918.40 : x
  2. Step 2: Convert to fraction form
    29,662.08/40,937.28 = 16,918.40/x
  3. Step 3: Cross multiply
    29,662.08x = 40,937.28 × 16,918.40
  4. Step 4: Simplify right side
    29,662.08x = 692,593,277.95
  5. Step 5: Solve for x
    x = 692,593,277.95/29,662.08
  6. Step 6: Final answer
    x = 23,349.45

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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.