Home / 40,206.15-55,486.32-22,300.08

Finding the Fourth Proportional to 40,206.15, 55,486.32 and 22,300.08

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Solution

The fourth proportional to 40,206.15, 55,486.32 and 22,300.08 is: 30,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,206.15 : 55,486.32 = 22,300.08 : x
  2. Step 2: Convert to fraction form
    40,206.15/55,486.32 = 22,300.08/x
  3. Step 3: Cross multiply
    40,206.15x = 55,486.32 × 22,300.08
  4. Step 4: Simplify right side
    40,206.15x = 1,237,349,374.91
  5. Step 5: Solve for x
    x = 1,237,349,374.91/40,206.15
  6. Step 6: Final answer
    x = 30,775.13

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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.