Home / 38,895.52-53,748.48-31,819.36

Finding the Fourth Proportional to 38,895.52, 53,748.48 and 31,819.36

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Solution

The fourth proportional to 38,895.52, 53,748.48 and 31,819.36 is: 43,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,895.52 : 53,748.48 = 31,819.36 : x
  2. Step 2: Convert to fraction form
    38,895.52/53,748.48 = 31,819.36/x
  3. Step 3: Cross multiply
    38,895.52x = 53,748.48 × 31,819.36
  4. Step 4: Simplify right side
    38,895.52x = 1,710,242,234.57
  5. Step 5: Solve for x
    x = 1,710,242,234.57/38,895.52
  6. Step 6: Final answer
    x = 43,970.16

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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.