Home / 39,029,829.58-53,861,228.14-21,385,928.42

Finding the Fourth Proportional to 39,029,829.58, 53,861,228.14 and 21,385,928.42

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Solution

The fourth proportional to 39,029,829.58, 53,861,228.14 and 21,385,928.42 is: 29,512,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029,829.58 : 53,861,228.14 = 21,385,928.42 : x
  2. Step 2: Convert to fraction form
    39,029,829.58/53,861,228.14 = 21,385,928.42/x
  3. Step 3: Cross multiply
    39,029,829.58x = 53,861,228.14 × 21,385,928.42
  4. Step 4: Simplify right side
    39,029,829.58x = 1,151,872,369,427,212
  5. Step 5: Solve for x
    x = 1,151,872,369,427,212/39,029,829.58
  6. Step 6: Final answer
    x = 29,512,615.91

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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.