Home / 55,223.10-82,834.65-18,287.10

Finding the Fourth Proportional to 55,223.10, 82,834.65 and 18,287.10

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Solution

The fourth proportional to 55,223.10, 82,834.65 and 18,287.10 is: 27,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,223.10 : 82,834.65 = 18,287.10 : x
  2. Step 2: Convert to fraction form
    55,223.10/82,834.65 = 18,287.10/x
  3. Step 3: Cross multiply
    55,223.10x = 82,834.65 × 18,287.10
  4. Step 4: Simplify right side
    55,223.10x = 1,514,805,528.02
  5. Step 5: Solve for x
    x = 1,514,805,528.02/55,223.10
  6. Step 6: Final answer
    x = 27,430.65

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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.