Home / 31,655.19-43,681.23-17,507.73

Finding the Fourth Proportional to 31,655.19, 43,681.23 and 17,507.73

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Solution

The fourth proportional to 31,655.19, 43,681.23 and 17,507.73 is: 24,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,655.19 : 43,681.23 = 17,507.73 : x
  2. Step 2: Convert to fraction form
    31,655.19/43,681.23 = 17,507.73/x
  3. Step 3: Cross multiply
    31,655.19x = 43,681.23 × 17,507.73
  4. Step 4: Simplify right side
    31,655.19x = 764,759,180.91
  5. Step 5: Solve for x
    x = 764,759,180.91/31,655.19
  6. Step 6: Final answer
    x = 24,159.05

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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.