Home / 39,915.52-59,860.32-18,852.32

Finding the Fourth Proportional to 39,915.52, 59,860.32 and 18,852.32

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Solution

The fourth proportional to 39,915.52, 59,860.32 and 18,852.32 is: 28,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.52 : 59,860.32 = 18,852.32 : x
  2. Step 2: Convert to fraction form
    39,915.52/59,860.32 = 18,852.32/x
  3. Step 3: Cross multiply
    39,915.52x = 59,860.32 × 18,852.32
  4. Step 4: Simplify right side
    39,915.52x = 1,128,505,907.94
  5. Step 5: Solve for x
    x = 1,128,505,907.94/39,915.52
  6. Step 6: Final answer
    x = 28,272.36

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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.