Home / 49,063.80-73,638.90-42,497.40

Finding the Fourth Proportional to 49,063.80, 73,638.90 and 42,497.40

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Solution

The fourth proportional to 49,063.80, 73,638.90 and 42,497.40 is: 63,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,063.80 : 73,638.90 = 42,497.40 : x
  2. Step 2: Convert to fraction form
    49,063.80/73,638.90 = 42,497.40/x
  3. Step 3: Cross multiply
    49,063.80x = 73,638.90 × 42,497.40
  4. Step 4: Simplify right side
    49,063.80x = 3,129,461,788.86
  5. Step 5: Solve for x
    x = 3,129,461,788.86/49,063.80
  6. Step 6: Final answer
    x = 63,783.52

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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.