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Finding the Fourth Proportional to 35,710.52, 49,280.02 and 19,794.60

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Solution

The fourth proportional to 35,710.52, 49,280.02 and 19,794.60 is: 27,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,710.52 : 49,280.02 = 19,794.60 : x
  2. Step 2: Convert to fraction form
    35,710.52/49,280.02 = 19,794.60/x
  3. Step 3: Cross multiply
    35,710.52x = 49,280.02 × 19,794.60
  4. Step 4: Simplify right side
    35,710.52x = 975,478,283.89
  5. Step 5: Solve for x
    x = 975,478,283.89/35,710.52
  6. Step 6: Final answer
    x = 27,316.27

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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.