Home / 47,292.40-70,852.20-28,802.80

Finding the Fourth Proportional to 47,292.40, 70,852.20 and 28,802.80

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Solution

The fourth proportional to 47,292.40, 70,852.20 and 28,802.80 is: 43,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,292.40 : 70,852.20 = 28,802.80 : x
  2. Step 2: Convert to fraction form
    47,292.40/70,852.20 = 28,802.80/x
  3. Step 3: Cross multiply
    47,292.40x = 70,852.20 × 28,802.80
  4. Step 4: Simplify right side
    47,292.40x = 2,040,741,746.16
  5. Step 5: Solve for x
    x = 2,040,741,746.16/47,292.40
  6. Step 6: Final answer
    x = 43,151.58

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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.