Home / 53,812.84-74,265.28-29,939.57

Finding the Fourth Proportional to 53,812.84, 74,265.28 and 29,939.57

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Solution

The fourth proportional to 53,812.84, 74,265.28 and 29,939.57 is: 41,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,812.84 : 74,265.28 = 29,939.57 : x
  2. Step 2: Convert to fraction form
    53,812.84/74,265.28 = 29,939.57/x
  3. Step 3: Cross multiply
    53,812.84x = 74,265.28 × 29,939.57
  4. Step 4: Simplify right side
    53,812.84x = 2,223,470,883.40
  5. Step 5: Solve for x
    x = 2,223,470,883.40/53,812.84
  6. Step 6: Final answer
    x = 41,318.59

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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.