Home / 56,645.04-84,917.88-21,561.36

Finding the Fourth Proportional to 56,645.04, 84,917.88 and 21,561.36

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Solution

The fourth proportional to 56,645.04, 84,917.88 and 21,561.36 is: 32,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,645.04 : 84,917.88 = 21,561.36 : x
  2. Step 2: Convert to fraction form
    56,645.04/84,917.88 = 21,561.36/x
  3. Step 3: Cross multiply
    56,645.04x = 84,917.88 × 21,561.36
  4. Step 4: Simplify right side
    56,645.04x = 1,830,944,981.12
  5. Step 5: Solve for x
    x = 1,830,944,981.12/56,645.04
  6. Step 6: Final answer
    x = 32,323.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.