Home / 46,212.60-69,317.88-12,931.99

Finding the Fourth Proportional to 46,212.60, 69,317.88 and 12,931.99

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Solution

The fourth proportional to 46,212.60, 69,317.88 and 12,931.99 is: 19,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,212.60 : 69,317.88 = 12,931.99 : x
  2. Step 2: Convert to fraction form
    46,212.60/69,317.88 = 12,931.99/x
  3. Step 3: Cross multiply
    46,212.60x = 69,317.88 × 12,931.99
  4. Step 4: Simplify right side
    46,212.60x = 896,418,130.98
  5. Step 5: Solve for x
    x = 896,418,130.98/46,212.60
  6. Step 6: Final answer
    x = 19,397.70

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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.