Home / 31,353.90-47,044.64-14,712.50

Finding the Fourth Proportional to 31,353.90, 47,044.64 and 14,712.50

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Solution

The fourth proportional to 31,353.90, 47,044.64 and 14,712.50 is: 22,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.90 : 47,044.64 = 14,712.50 : x
  2. Step 2: Convert to fraction form
    31,353.90/47,044.64 = 14,712.50/x
  3. Step 3: Cross multiply
    31,353.90x = 47,044.64 × 14,712.50
  4. Step 4: Simplify right side
    31,353.90x = 692,144,310.05
  5. Step 5: Solve for x
    x = 692,144,310.05/31,353.90
  6. Step 6: Final answer
    x = 22,075.22

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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.