Home / 31,264.31-46,909.47-12,557.62

Finding the Fourth Proportional to 31,264.31, 46,909.47 and 12,557.62

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Solution

The fourth proportional to 31,264.31, 46,909.47 and 12,557.62 is: 18,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.31 : 46,909.47 = 12,557.62 : x
  2. Step 2: Convert to fraction form
    31,264.31/46,909.47 = 12,557.62/x
  3. Step 3: Cross multiply
    31,264.31x = 46,909.47 × 12,557.62
  4. Step 4: Simplify right side
    31,264.31x = 589,071,052.23
  5. Step 5: Solve for x
    x = 589,071,052.23/31,264.31
  6. Step 6: Final answer
    x = 18,841.64

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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.