Home / 53,789.49-74,228.44-29,915.65

Finding the Fourth Proportional to 53,789.49, 74,228.44 and 29,915.65

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Solution

The fourth proportional to 53,789.49, 74,228.44 and 29,915.65 is: 41,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789.49 : 74,228.44 = 29,915.65 : x
  2. Step 2: Convert to fraction form
    53,789.49/74,228.44 = 29,915.65/x
  3. Step 3: Cross multiply
    53,789.49x = 74,228.44 × 29,915.65
  4. Step 4: Simplify right side
    53,789.49x = 2,220,592,031.09
  5. Step 5: Solve for x
    x = 2,220,592,031.09/53,789.49
  6. Step 6: Final answer
    x = 41,283.01

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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.