Home / 51,323.54-70,817.85-28,661.70

Finding the Fourth Proportional to 51,323.54, 70,817.85 and 28,661.70

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Solution

The fourth proportional to 51,323.54, 70,817.85 and 28,661.70 is: 39,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,323.54 : 70,817.85 = 28,661.70 : x
  2. Step 2: Convert to fraction form
    51,323.54/70,817.85 = 28,661.70/x
  3. Step 3: Cross multiply
    51,323.54x = 70,817.85 × 28,661.70
  4. Step 4: Simplify right side
    51,323.54x = 2,029,759,971.35
  5. Step 5: Solve for x
    x = 2,029,759,971.35/51,323.54
  6. Step 6: Final answer
    x = 39,548.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.