Home / 53,426.90-80,136.56-18,365.78

Finding the Fourth Proportional to 53,426.90, 80,136.56 and 18,365.78

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Solution

The fourth proportional to 53,426.90, 80,136.56 and 18,365.78 is: 27,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,426.90 : 80,136.56 = 18,365.78 : x
  2. Step 2: Convert to fraction form
    53,426.90/80,136.56 = 18,365.78/x
  3. Step 3: Cross multiply
    53,426.90x = 80,136.56 × 18,365.78
  4. Step 4: Simplify right side
    53,426.90x = 1,471,770,430.92
  5. Step 5: Solve for x
    x = 1,471,770,430.92/53,426.90
  6. Step 6: Final answer
    x = 27,547.37

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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.