Home / 31,493.04-43,459.80-18,063.96

Finding the Fourth Proportional to 31,493.04, 43,459.80 and 18,063.96

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Solution

The fourth proportional to 31,493.04, 43,459.80 and 18,063.96 is: 24,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.04 : 43,459.80 = 18,063.96 : x
  2. Step 2: Convert to fraction form
    31,493.04/43,459.80 = 18,063.96/x
  3. Step 3: Cross multiply
    31,493.04x = 43,459.80 × 18,063.96
  4. Step 4: Simplify right side
    31,493.04x = 785,056,088.81
  5. Step 5: Solve for x
    x = 785,056,088.81/31,493.04
  6. Step 6: Final answer
    x = 24,927.92

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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.