Home / 39,427,105.70-54,408,260.40-21,785,727.94

Finding the Fourth Proportional to 39,427,105.70, 54,408,260.40 and 21,785,727.94

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Solution

The fourth proportional to 39,427,105.70, 54,408,260.40 and 21,785,727.94 is: 30,063,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,427,105.70 : 54,408,260.40 = 21,785,727.94 : x
  2. Step 2: Convert to fraction form
    39,427,105.70/54,408,260.40 = 21,785,727.94/x
  3. Step 3: Cross multiply
    39,427,105.70x = 54,408,260.40 × 21,785,727.94
  4. Step 4: Simplify right side
    39,427,105.70x = 1,185,323,558,763,075.50
  5. Step 5: Solve for x
    x = 1,185,323,558,763,075.50/39,427,105.70
  6. Step 6: Final answer
    x = 30,063,671.62

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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.