Home / 53,348.40-80,032.68-18,287.28

Finding the Fourth Proportional to 53,348.40, 80,032.68 and 18,287.28

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Solution

The fourth proportional to 53,348.40, 80,032.68 and 18,287.28 is: 27,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,348.40 : 80,032.68 = 18,287.28 : x
  2. Step 2: Convert to fraction form
    53,348.40/80,032.68 = 18,287.28/x
  3. Step 3: Cross multiply
    53,348.40x = 80,032.68 × 18,287.28
  4. Step 4: Simplify right side
    53,348.40x = 1,463,580,028.31
  5. Step 5: Solve for x
    x = 1,463,580,028.31/53,348.40
  6. Step 6: Final answer
    x = 27,434.38

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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.