Home / 46,211.71-69,321.80-12,931.68

Finding the Fourth Proportional to 46,211.71, 69,321.80 and 12,931.68

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Solution

The fourth proportional to 46,211.71, 69,321.80 and 12,931.68 is: 19,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,211.71 : 69,321.80 = 12,931.68 : x
  2. Step 2: Convert to fraction form
    46,211.71/69,321.80 = 12,931.68/x
  3. Step 3: Cross multiply
    46,211.71x = 69,321.80 × 12,931.68
  4. Step 4: Simplify right side
    46,211.71x = 896,447,334.62
  5. Step 5: Solve for x
    x = 896,447,334.62/46,211.71
  6. Step 6: Final answer
    x = 19,398.71

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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.