Home / 31,913.28-47,838.60-17,880.03

Finding the Fourth Proportional to 31,913.28, 47,838.60 and 17,880.03

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Solution

The fourth proportional to 31,913.28, 47,838.60 and 17,880.03 is: 26,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,913.28 : 47,838.60 = 17,880.03 : x
  2. Step 2: Convert to fraction form
    31,913.28/47,838.60 = 17,880.03/x
  3. Step 3: Cross multiply
    31,913.28x = 47,838.60 × 17,880.03
  4. Step 4: Simplify right side
    31,913.28x = 855,355,603.16
  5. Step 5: Solve for x
    x = 855,355,603.16/31,913.28
  6. Step 6: Final answer
    x = 26,802.50

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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.