Home / 53,967.13-80,901.69-18,887.65

Finding the Fourth Proportional to 53,967.13, 80,901.69 and 18,887.65

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Solution

The fourth proportional to 53,967.13, 80,901.69 and 18,887.65 is: 28,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,967.13 : 80,901.69 = 18,887.65 : x
  2. Step 2: Convert to fraction form
    53,967.13/80,901.69 = 18,887.65/x
  3. Step 3: Cross multiply
    53,967.13x = 80,901.69 × 18,887.65
  4. Step 4: Simplify right side
    53,967.13x = 1,528,042,532.05
  5. Step 5: Solve for x
    x = 1,528,042,532.05/53,967.13
  6. Step 6: Final answer
    x = 28,314.32

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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.