Home / 39,826.84-59,684.36-31,470.08

Finding the Fourth Proportional to 39,826.84, 59,684.36 and 31,470.08

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Solution

The fourth proportional to 39,826.84, 59,684.36 and 31,470.08 is: 47,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,826.84 : 59,684.36 = 31,470.08 : x
  2. Step 2: Convert to fraction form
    39,826.84/59,684.36 = 31,470.08/x
  3. Step 3: Cross multiply
    39,826.84x = 59,684.36 × 31,470.08
  4. Step 4: Simplify right side
    39,826.84x = 1,878,271,583.95
  5. Step 5: Solve for x
    x = 1,878,271,583.95/39,826.84
  6. Step 6: Final answer
    x = 47,160.95

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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.