Home / 39,905.86-59,858.43-15,281.86

Finding the Fourth Proportional to 39,905.86, 59,858.43 and 15,281.86

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Solution

The fourth proportional to 39,905.86, 59,858.43 and 15,281.86 is: 22,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905.86 : 59,858.43 = 15,281.86 : x
  2. Step 2: Convert to fraction form
    39,905.86/59,858.43 = 15,281.86/x
  3. Step 3: Cross multiply
    39,905.86x = 59,858.43 × 15,281.86
  4. Step 4: Simplify right side
    39,905.86x = 914,748,147.08
  5. Step 5: Solve for x
    x = 914,748,147.08/39,905.86
  6. Step 6: Final answer
    x = 22,922.65

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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.