Home / 53,783.58-74,220.33-29,909.71

Finding the Fourth Proportional to 53,783.58, 74,220.33 and 29,909.71

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Solution

The fourth proportional to 53,783.58, 74,220.33 and 29,909.71 is: 41,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,783.58 : 74,220.33 = 29,909.71 : x
  2. Step 2: Convert to fraction form
    53,783.58/74,220.33 = 29,909.71/x
  3. Step 3: Cross multiply
    53,783.58x = 74,220.33 × 29,909.71
  4. Step 4: Simplify right side
    53,783.58x = 2,219,908,546.40
  5. Step 5: Solve for x
    x = 2,219,908,546.40/53,783.58
  6. Step 6: Final answer
    x = 41,274.84

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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.