Home / 31,582.35-43,582.99-18,153.26

Finding the Fourth Proportional to 31,582.35, 43,582.99 and 18,153.26

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Solution

The fourth proportional to 31,582.35, 43,582.99 and 18,153.26 is: 25,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,582.35 : 43,582.99 = 18,153.26 : x
  2. Step 2: Convert to fraction form
    31,582.35/43,582.99 = 18,153.26/x
  3. Step 3: Cross multiply
    31,582.35x = 43,582.99 × 18,153.26
  4. Step 4: Simplify right side
    31,582.35x = 791,173,349.05
  5. Step 5: Solve for x
    x = 791,173,349.05/31,582.35
  6. Step 6: Final answer
    x = 25,051.12

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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.