Home / 31,582.04-43,599-19,649.24

Finding the Fourth Proportional to 31,582.04, 43,599 and 19,649.24

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Solution

The fourth proportional to 31,582.04, 43,599 and 19,649.24 is: 27,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,582.04 : 43,599 = 19,649.24 : x
  2. Step 2: Convert to fraction form
    31,582.04/43,599 = 19,649.24/x
  3. Step 3: Cross multiply
    31,582.04x = 43,599 × 19,649.24
  4. Step 4: Simplify right side
    31,582.04x = 856,687,214.76
  5. Step 5: Solve for x
    x = 856,687,214.76/31,582.04
  6. Step 6: Final answer
    x = 27,125.77

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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.