Home / 53,312.99-79,881.96-18,233.51

Finding the Fourth Proportional to 53,312.99, 79,881.96 and 18,233.51

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Solution

The fourth proportional to 53,312.99, 79,881.96 and 18,233.51 is: 27,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,312.99 : 79,881.96 = 18,233.51 : x
  2. Step 2: Convert to fraction form
    53,312.99/79,881.96 = 18,233.51/x
  3. Step 3: Cross multiply
    53,312.99x = 79,881.96 × 18,233.51
  4. Step 4: Simplify right side
    53,312.99x = 1,456,528,516.48
  5. Step 5: Solve for x
    x = 1,456,528,516.48/53,312.99
  6. Step 6: Final answer
    x = 27,320.33

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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.