Home / 53,545.05-73,824.21-40,136.31

Finding the Fourth Proportional to 53,545.05, 73,824.21 and 40,136.31

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Solution

The fourth proportional to 53,545.05, 73,824.21 and 40,136.31 is: 55,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,545.05 : 73,824.21 = 40,136.31 : x
  2. Step 2: Convert to fraction form
    53,545.05/73,824.21 = 40,136.31/x
  3. Step 3: Cross multiply
    53,545.05x = 73,824.21 × 40,136.31
  4. Step 4: Simplify right side
    53,545.05x = 2,963,031,378.07
  5. Step 5: Solve for x
    x = 2,963,031,378.07/53,545.05
  6. Step 6: Final answer
    x = 55,337.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.