Home / 34,724.09-47,915.65-19,618.40

Finding the Fourth Proportional to 34,724.09, 47,915.65 and 19,618.40

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Solution

The fourth proportional to 34,724.09, 47,915.65 and 19,618.40 is: 27,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,724.09 : 47,915.65 = 19,618.40 : x
  2. Step 2: Convert to fraction form
    34,724.09/47,915.65 = 19,618.40/x
  3. Step 3: Cross multiply
    34,724.09x = 47,915.65 × 19,618.40
  4. Step 4: Simplify right side
    34,724.09x = 940,028,532.27
  5. Step 5: Solve for x
    x = 940,028,532.27/34,724.09
  6. Step 6: Final answer
    x = 27,071.36

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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.