Home / 39,056.96-53,898.84-21,829.32

Finding the Fourth Proportional to 39,056.96, 53,898.84 and 21,829.32

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Solution

The fourth proportional to 39,056.96, 53,898.84 and 21,829.32 is: 30,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,056.96 : 53,898.84 = 21,829.32 : x
  2. Step 2: Convert to fraction form
    39,056.96/53,898.84 = 21,829.32/x
  3. Step 3: Cross multiply
    39,056.96x = 53,898.84 × 21,829.32
  4. Step 4: Simplify right side
    39,056.96x = 1,176,575,025.99
  5. Step 5: Solve for x
    x = 1,176,575,025.99/39,056.96
  6. Step 6: Final answer
    x = 30,124.59

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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.