Home / 30,859.30-42,585.33-16,712.02

Finding the Fourth Proportional to 30,859.30, 42,585.33 and 16,712.02

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Solution

The fourth proportional to 30,859.30, 42,585.33 and 16,712.02 is: 23,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.30 : 42,585.33 = 16,712.02 : x
  2. Step 2: Convert to fraction form
    30,859.30/42,585.33 = 16,712.02/x
  3. Step 3: Cross multiply
    30,859.30x = 42,585.33 × 16,712.02
  4. Step 4: Simplify right side
    30,859.30x = 711,686,886.67
  5. Step 5: Solve for x
    x = 711,686,886.67/30,859.30
  6. Step 6: Final answer
    x = 23,062.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.