Home / 53,727.12-74,123.28-33,299.84

Finding the Fourth Proportional to 53,727.12, 74,123.28 and 33,299.84

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Solution

The fourth proportional to 53,727.12, 74,123.28 and 33,299.84 is: 45,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,727.12 : 74,123.28 = 33,299.84 : x
  2. Step 2: Convert to fraction form
    53,727.12/74,123.28 = 33,299.84/x
  3. Step 3: Cross multiply
    53,727.12x = 74,123.28 × 33,299.84
  4. Step 4: Simplify right side
    53,727.12x = 2,468,293,364.28
  5. Step 5: Solve for x
    x = 2,468,293,364.28/53,727.12
  6. Step 6: Final answer
    x = 45,941.29

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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.