Home / 53,783.28-74,219.40-29,909.52

Finding the Fourth Proportional to 53,783.28, 74,219.40 and 29,909.52

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Solution

The fourth proportional to 53,783.28, 74,219.40 and 29,909.52 is: 41,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,783.28 : 74,219.40 = 29,909.52 : x
  2. Step 2: Convert to fraction form
    53,783.28/74,219.40 = 29,909.52/x
  3. Step 3: Cross multiply
    53,783.28x = 74,219.40 × 29,909.52
  4. Step 4: Simplify right side
    53,783.28x = 2,219,866,628.69
  5. Step 5: Solve for x
    x = 2,219,866,628.69/53,783.28
  6. Step 6: Final answer
    x = 41,274.29

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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.