Home / 40,043.79-55,273.55-28,110.06

Finding the Fourth Proportional to 40,043.79, 55,273.55 and 28,110.06

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Solution

The fourth proportional to 40,043.79, 55,273.55 and 28,110.06 is: 38,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.79 : 55,273.55 = 28,110.06 : x
  2. Step 2: Convert to fraction form
    40,043.79/55,273.55 = 28,110.06/x
  3. Step 3: Cross multiply
    40,043.79x = 55,273.55 × 28,110.06
  4. Step 4: Simplify right side
    40,043.79x = 1,553,742,666.36
  5. Step 5: Solve for x
    x = 1,553,742,666.36/40,043.79
  6. Step 6: Final answer
    x = 38,801.09

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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.