Home / 53,614.31-80,426.93-18,545.76

Finding the Fourth Proportional to 53,614.31, 80,426.93 and 18,545.76

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Solution

The fourth proportional to 53,614.31, 80,426.93 and 18,545.76 is: 27,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,614.31 : 80,426.93 = 18,545.76 : x
  2. Step 2: Convert to fraction form
    53,614.31/80,426.93 = 18,545.76/x
  3. Step 3: Cross multiply
    53,614.31x = 80,426.93 × 18,545.76
  4. Step 4: Simplify right side
    53,614.31x = 1,491,578,448.59
  5. Step 5: Solve for x
    x = 1,491,578,448.59/53,614.31
  6. Step 6: Final answer
    x = 27,820.53

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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.