Home / 42,043.45-63,064.89-12,461.44

Finding the Fourth Proportional to 42,043.45, 63,064.89 and 12,461.44

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Solution

The fourth proportional to 42,043.45, 63,064.89 and 12,461.44 is: 18,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,043.45 : 63,064.89 = 12,461.44 : x
  2. Step 2: Convert to fraction form
    42,043.45/63,064.89 = 12,461.44/x
  3. Step 3: Cross multiply
    42,043.45x = 63,064.89 × 12,461.44
  4. Step 4: Simplify right side
    42,043.45x = 785,879,342.84
  5. Step 5: Solve for x
    x = 785,879,342.84/42,043.45
  6. Step 6: Final answer
    x = 18,692.08

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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.