Home / 42,043.95-63,065.66-12,461.94

Finding the Fourth Proportional to 42,043.95, 63,065.66 and 12,461.94

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Solution

The fourth proportional to 42,043.95, 63,065.66 and 12,461.94 is: 18,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,043.95 : 63,065.66 = 12,461.94 : x
  2. Step 2: Convert to fraction form
    42,043.95/63,065.66 = 12,461.94/x
  3. Step 3: Cross multiply
    42,043.95x = 63,065.66 × 12,461.94
  4. Step 4: Simplify right side
    42,043.95x = 785,920,408.67
  5. Step 5: Solve for x
    x = 785,920,408.67/42,043.95
  6. Step 6: Final answer
    x = 18,692.83

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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.