Home / 53,824.70-74,298.75-40,434.80

Finding the Fourth Proportional to 53,824.70, 74,298.75 and 40,434.80

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Solution

The fourth proportional to 53,824.70, 74,298.75 and 40,434.80 is: 55,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,824.70 : 74,298.75 = 40,434.80 : x
  2. Step 2: Convert to fraction form
    53,824.70/74,298.75 = 40,434.80/x
  3. Step 3: Cross multiply
    53,824.70x = 74,298.75 × 40,434.80
  4. Step 4: Simplify right side
    53,824.70x = 3,004,254,725.01
  5. Step 5: Solve for x
    x = 3,004,254,725.01/53,824.70
  6. Step 6: Final answer
    x = 55,815.55

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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.