Home / 39,907.48-59,878.87-20,927.58

Finding the Fourth Proportional to 39,907.48, 59,878.87 and 20,927.58

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Solution

The fourth proportional to 39,907.48, 59,878.87 and 20,927.58 is: 31,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.48 : 59,878.87 = 20,927.58 : x
  2. Step 2: Convert to fraction form
    39,907.48/59,878.87 = 20,927.58/x
  3. Step 3: Cross multiply
    39,907.48x = 59,878.87 × 20,927.58
  4. Step 4: Simplify right side
    39,907.48x = 1,253,119,842.23
  5. Step 5: Solve for x
    x = 1,253,119,842.23/39,907.48
  6. Step 6: Final answer
    x = 31,400.63

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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.