Home / 30,940.04-42,697.24-17,511.06

Finding the Fourth Proportional to 30,940.04, 42,697.24 and 17,511.06

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Solution

The fourth proportional to 30,940.04, 42,697.24 and 17,511.06 is: 24,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.04 : 42,697.24 = 17,511.06 : x
  2. Step 2: Convert to fraction form
    30,940.04/42,697.24 = 17,511.06/x
  3. Step 3: Cross multiply
    30,940.04x = 42,697.24 × 17,511.06
  4. Step 4: Simplify right side
    30,940.04x = 747,673,931.47
  5. Step 5: Solve for x
    x = 747,673,931.47/30,940.04
  6. Step 6: Final answer
    x = 24,165.25

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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.