Home / 30,954.56-42,755.94-23,870.51

Finding the Fourth Proportional to 30,954.56, 42,755.94 and 23,870.51

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Solution

The fourth proportional to 30,954.56, 42,755.94 and 23,870.51 is: 32,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.56 : 42,755.94 = 23,870.51 : x
  2. Step 2: Convert to fraction form
    30,954.56/42,755.94 = 23,870.51/x
  3. Step 3: Cross multiply
    30,954.56x = 42,755.94 × 23,870.51
  4. Step 4: Simplify right side
    30,954.56x = 1,020,605,879.55
  5. Step 5: Solve for x
    x = 1,020,605,879.55/30,954.56
  6. Step 6: Final answer
    x = 32,971.10

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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.