Home / 53,915.10-80,929.14-25,858.93

Finding the Fourth Proportional to 53,915.10, 80,929.14 and 25,858.93

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Solution

The fourth proportional to 53,915.10, 80,929.14 and 25,858.93 is: 38,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,915.10 : 80,929.14 = 25,858.93 : x
  2. Step 2: Convert to fraction form
    53,915.10/80,929.14 = 25,858.93/x
  3. Step 3: Cross multiply
    53,915.10x = 80,929.14 × 25,858.93
  4. Step 4: Simplify right side
    53,915.10x = 2,092,740,966.22
  5. Step 5: Solve for x
    x = 2,092,740,966.22/53,915.10
  6. Step 6: Final answer
    x = 38,815.49

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1.5x scale

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.