Home / 40,345.09-55,671.94-22,437.20

Finding the Fourth Proportional to 40,345.09, 55,671.94 and 22,437.20

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Solution

The fourth proportional to 40,345.09, 55,671.94 and 22,437.20 is: 30,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,345.09 : 55,671.94 = 22,437.20 : x
  2. Step 2: Convert to fraction form
    40,345.09/55,671.94 = 22,437.20/x
  3. Step 3: Cross multiply
    40,345.09x = 55,671.94 × 22,437.20
  4. Step 4: Simplify right side
    40,345.09x = 1,249,122,452.17
  5. Step 5: Solve for x
    x = 1,249,122,452.17/40,345.09
  6. Step 6: Final answer
    x = 30,960.95

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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.