Home / 64,722.51-89,301.69-36,428.13

Finding the Fourth Proportional to 64,722.51, 89,301.69 and 36,428.13

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Solution

The fourth proportional to 64,722.51, 89,301.69 and 36,428.13 is: 50,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,722.51 : 89,301.69 = 36,428.13 : x
  2. Step 2: Convert to fraction form
    64,722.51/89,301.69 = 36,428.13/x
  3. Step 3: Cross multiply
    64,722.51x = 89,301.69 × 36,428.13
  4. Step 4: Simplify right side
    64,722.51x = 3,253,093,572.54
  5. Step 5: Solve for x
    x = 3,253,093,572.54/64,722.51
  6. Step 6: Final answer
    x = 50,262.17

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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.