Home / 31,827.40-47,792.10-25,307.80

Finding the Fourth Proportional to 31,827.40, 47,792.10 and 25,307.80

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Solution

The fourth proportional to 31,827.40, 47,792.10 and 25,307.80 is: 38,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.40 : 47,792.10 = 25,307.80 : x
  2. Step 2: Convert to fraction form
    31,827.40/47,792.10 = 25,307.80/x
  3. Step 3: Cross multiply
    31,827.40x = 47,792.10 × 25,307.80
  4. Step 4: Simplify right side
    31,827.40x = 1,209,512,908.38
  5. Step 5: Solve for x
    x = 1,209,512,908.38/31,827.40
  6. Step 6: Final answer
    x = 38,002.25

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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.