Home / 39,347.53-54,300.74-21,443.69

Finding the Fourth Proportional to 39,347.53, 54,300.74 and 21,443.69

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Solution

The fourth proportional to 39,347.53, 54,300.74 and 21,443.69 is: 29,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.53 : 54,300.74 = 21,443.69 : x
  2. Step 2: Convert to fraction form
    39,347.53/54,300.74 = 21,443.69/x
  3. Step 3: Cross multiply
    39,347.53x = 54,300.74 × 21,443.69
  4. Step 4: Simplify right side
    39,347.53x = 1,164,408,017.44
  5. Step 5: Solve for x
    x = 1,164,408,017.44/39,347.53
  6. Step 6: Final answer
    x = 29,592.91

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1.5x scale

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.