Home / 38,907.48-58,368.86-13,940.80

Finding the Fourth Proportional to 38,907.48, 58,368.86 and 13,940.80

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Solution

The fourth proportional to 38,907.48, 58,368.86 and 13,940.80 is: 20,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907.48 : 58,368.86 = 13,940.80 : x
  2. Step 2: Convert to fraction form
    38,907.48/58,368.86 = 13,940.80/x
  3. Step 3: Cross multiply
    38,907.48x = 58,368.86 × 13,940.80
  4. Step 4: Simplify right side
    38,907.48x = 813,708,603.49
  5. Step 5: Solve for x
    x = 813,708,603.49/38,907.48
  6. Step 6: Final answer
    x = 20,913.94

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1.5x scale

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.