Home / 31,681.05-43,715.27-17,533.86

Finding the Fourth Proportional to 31,681.05, 43,715.27 and 17,533.86

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Solution

The fourth proportional to 31,681.05, 43,715.27 and 17,533.86 is: 24,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681.05 : 43,715.27 = 17,533.86 : x
  2. Step 2: Convert to fraction form
    31,681.05/43,715.27 = 17,533.86/x
  3. Step 3: Cross multiply
    31,681.05x = 43,715.27 × 17,533.86
  4. Step 4: Simplify right side
    31,681.05x = 766,497,467.88
  5. Step 5: Solve for x
    x = 766,497,467.88/31,681.05
  6. Step 6: Final answer
    x = 24,194.19

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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.