Home / 38,736.58-53,487.99-31,567.55

Finding the Fourth Proportional to 38,736.58, 53,487.99 and 31,567.55

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Solution

The fourth proportional to 38,736.58, 53,487.99 and 31,567.55 is: 43,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,736.58 : 53,487.99 = 31,567.55 : x
  2. Step 2: Convert to fraction form
    38,736.58/53,487.99 = 31,567.55/x
  3. Step 3: Cross multiply
    38,736.58x = 53,487.99 × 31,567.55
  4. Step 4: Simplify right side
    38,736.58x = 1,688,484,452.37
  5. Step 5: Solve for x
    x = 1,688,484,452.37/38,736.58
  6. Step 6: Final answer
    x = 43,588.89

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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.