Home / 38,666.54-58,263.26-31,800.40

Finding the Fourth Proportional to 38,666.54, 58,263.26 and 31,800.40

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Solution

The fourth proportional to 38,666.54, 58,263.26 and 31,800.40 is: 47,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.54 : 58,263.26 = 31,800.40 : x
  2. Step 2: Convert to fraction form
    38,666.54/58,263.26 = 31,800.40/x
  3. Step 3: Cross multiply
    38,666.54x = 58,263.26 × 31,800.40
  4. Step 4: Simplify right side
    38,666.54x = 1,852,794,973.30
  5. Step 5: Solve for x
    x = 1,852,794,973.30/38,666.54
  6. Step 6: Final answer
    x = 47,917.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.