Home / 39,977.78-60,038.14-38,370.58

Finding the Fourth Proportional to 39,977.78, 60,038.14 and 38,370.58

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Solution

The fourth proportional to 39,977.78, 60,038.14 and 38,370.58 is: 57,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.78 : 60,038.14 = 38,370.58 : x
  2. Step 2: Convert to fraction form
    39,977.78/60,038.14 = 38,370.58/x
  3. Step 3: Cross multiply
    39,977.78x = 60,038.14 × 38,370.58
  4. Step 4: Simplify right side
    39,977.78x = 2,303,698,404.02
  5. Step 5: Solve for x
    x = 2,303,698,404.02/39,977.78
  6. Step 6: Final answer
    x = 57,624.47

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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.