Home / 57,233.36-78,979.83-31,740.77

Finding the Fourth Proportional to 57,233.36, 78,979.83 and 31,740.77

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Solution

The fourth proportional to 57,233.36, 78,979.83 and 31,740.77 is: 43,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,233.36 : 78,979.83 = 31,740.77 : x
  2. Step 2: Convert to fraction form
    57,233.36/78,979.83 = 31,740.77/x
  3. Step 3: Cross multiply
    57,233.36x = 78,979.83 × 31,740.77
  4. Step 4: Simplify right side
    57,233.36x = 2,506,880,223.77
  5. Step 5: Solve for x
    x = 2,506,880,223.77/57,233.36
  6. Step 6: Final answer
    x = 43,801.04

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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.