Home / 23,235.31-34,888.51-20,485.16

Finding the Fourth Proportional to 23,235.31, 34,888.51 and 20,485.16

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Solution

The fourth proportional to 23,235.31, 34,888.51 and 20,485.16 is: 30,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,235.31 : 34,888.51 = 20,485.16 : x
  2. Step 2: Convert to fraction form
    23,235.31/34,888.51 = 20,485.16/x
  3. Step 3: Cross multiply
    23,235.31x = 34,888.51 × 20,485.16
  4. Step 4: Simplify right side
    23,235.31x = 714,696,709.51
  5. Step 5: Solve for x
    x = 714,696,709.51/23,235.31
  6. Step 6: Final answer
    x = 30,759.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.