Home / 30,870.97-42,632.22-26,368.49

Finding the Fourth Proportional to 30,870.97, 42,632.22 and 26,368.49

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Solution

The fourth proportional to 30,870.97, 42,632.22 and 26,368.49 is: 36,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,870.97 : 42,632.22 = 26,368.49 : x
  2. Step 2: Convert to fraction form
    30,870.97/42,632.22 = 26,368.49/x
  3. Step 3: Cross multiply
    30,870.97x = 42,632.22 × 26,368.49
  4. Step 4: Simplify right side
    30,870.97x = 1,124,147,232.40
  5. Step 5: Solve for x
    x = 1,124,147,232.40/30,870.97
  6. Step 6: Final answer
    x = 36,414.38

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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.