Home / 46,213.58-69,320.39-12,938.55

Finding the Fourth Proportional to 46,213.58, 69,320.39 and 12,938.55

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Solution

The fourth proportional to 46,213.58, 69,320.39 and 12,938.55 is: 19,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,213.58 : 69,320.39 = 12,938.55 : x
  2. Step 2: Convert to fraction form
    46,213.58/69,320.39 = 12,938.55/x
  3. Step 3: Cross multiply
    46,213.58x = 69,320.39 × 12,938.55
  4. Step 4: Simplify right side
    46,213.58x = 896,905,267.34
  5. Step 5: Solve for x
    x = 896,905,267.34/46,213.58
  6. Step 6: Final answer
    x = 19,407.83

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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.