Home / 35,444.20-53,140.70-19,866.60

Finding the Fourth Proportional to 35,444.20, 53,140.70 and 19,866.60

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Solution

The fourth proportional to 35,444.20, 53,140.70 and 19,866.60 is: 29,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,444.20 : 53,140.70 = 19,866.60 : x
  2. Step 2: Convert to fraction form
    35,444.20/53,140.70 = 19,866.60/x
  3. Step 3: Cross multiply
    35,444.20x = 53,140.70 × 19,866.60
  4. Step 4: Simplify right side
    35,444.20x = 1,055,725,030.62
  5. Step 5: Solve for x
    x = 1,055,725,030.62/35,444.20
  6. Step 6: Final answer
    x = 29,785.55

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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.