Home / 53,869.86-80,810.01-18,356.22

Finding the Fourth Proportional to 53,869.86, 80,810.01 and 18,356.22

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Solution

The fourth proportional to 53,869.86, 80,810.01 and 18,356.22 is: 27,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.86 : 80,810.01 = 18,356.22 : x
  2. Step 2: Convert to fraction form
    53,869.86/80,810.01 = 18,356.22/x
  3. Step 3: Cross multiply
    53,869.86x = 80,810.01 × 18,356.22
  4. Step 4: Simplify right side
    53,869.86x = 1,483,366,321.76
  5. Step 5: Solve for x
    x = 1,483,366,321.76/53,869.86
  6. Step 6: Final answer
    x = 27,536.11

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1.5x scale

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.