Home / 37,890.99-56,828.81-12,917.50

Finding the Fourth Proportional to 37,890.99, 56,828.81 and 12,917.50

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Solution

The fourth proportional to 37,890.99, 56,828.81 and 12,917.50 is: 19,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,890.99 : 56,828.81 = 12,917.50 : x
  2. Step 2: Convert to fraction form
    37,890.99/56,828.81 = 12,917.50/x
  3. Step 3: Cross multiply
    37,890.99x = 56,828.81 × 12,917.50
  4. Step 4: Simplify right side
    37,890.99x = 734,086,043.40
  5. Step 5: Solve for x
    x = 734,086,043.40/37,890.99
  6. Step 6: Final answer
    x = 19,373.63

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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.