Home / 30,681.11-42,339.08-17,252.01

Finding the Fourth Proportional to 30,681.11, 42,339.08 and 17,252.01

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Solution

The fourth proportional to 30,681.11, 42,339.08 and 17,252.01 is: 23,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681.11 : 42,339.08 = 17,252.01 : x
  2. Step 2: Convert to fraction form
    30,681.11/42,339.08 = 17,252.01/x
  3. Step 3: Cross multiply
    30,681.11x = 42,339.08 × 17,252.01
  4. Step 4: Simplify right side
    30,681.11x = 730,434,231.55
  5. Step 5: Solve for x
    x = 730,434,231.55/30,681.11
  6. Step 6: Final answer
    x = 23,807.29

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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.