Home / 31,677.87-43,715.40-17,530.68

Finding the Fourth Proportional to 31,677.87, 43,715.40 and 17,530.68

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Solution

The fourth proportional to 31,677.87, 43,715.40 and 17,530.68 is: 24,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,677.87 : 43,715.40 = 17,530.68 : x
  2. Step 2: Convert to fraction form
    31,677.87/43,715.40 = 17,530.68/x
  3. Step 3: Cross multiply
    31,677.87x = 43,715.40 × 17,530.68
  4. Step 4: Simplify right side
    31,677.87x = 766,360,688.47
  5. Step 5: Solve for x
    x = 766,360,688.47/31,677.87
  6. Step 6: Final answer
    x = 24,192.30

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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.