Home / 40,488.78-55,875.62-22,587.27

Finding the Fourth Proportional to 40,488.78, 55,875.62 and 22,587.27

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Solution

The fourth proportional to 40,488.78, 55,875.62 and 22,587.27 is: 31,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.78 : 55,875.62 = 22,587.27 : x
  2. Step 2: Convert to fraction form
    40,488.78/55,875.62 = 22,587.27/x
  3. Step 3: Cross multiply
    40,488.78x = 55,875.62 × 22,587.27
  4. Step 4: Simplify right side
    40,488.78x = 1,262,077,602.42
  5. Step 5: Solve for x
    x = 1,262,077,602.42/40,488.78
  6. Step 6: Final answer
    x = 31,171.05

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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.