Home / 39,070.68-53,915.40-22,076.88

Finding the Fourth Proportional to 39,070.68, 53,915.40 and 22,076.88

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Solution

The fourth proportional to 39,070.68, 53,915.40 and 22,076.88 is: 30,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070.68 : 53,915.40 = 22,076.88 : x
  2. Step 2: Convert to fraction form
    39,070.68/53,915.40 = 22,076.88/x
  3. Step 3: Cross multiply
    39,070.68x = 53,915.40 × 22,076.88
  4. Step 4: Simplify right side
    39,070.68x = 1,190,283,815.95
  5. Step 5: Solve for x
    x = 1,190,283,815.95/39,070.68
  6. Step 6: Final answer
    x = 30,464.89

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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.