Home / 31,661.60-47,492.46-12,941.62

Finding the Fourth Proportional to 31,661.60, 47,492.46 and 12,941.62

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Solution

The fourth proportional to 31,661.60, 47,492.46 and 12,941.62 is: 19,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,661.60 : 47,492.46 = 12,941.62 : x
  2. Step 2: Convert to fraction form
    31,661.60/47,492.46 = 12,941.62/x
  3. Step 3: Cross multiply
    31,661.60x = 47,492.46 × 12,941.62
  4. Step 4: Simplify right side
    31,661.60x = 614,629,370.19
  5. Step 5: Solve for x
    x = 614,629,370.19/31,661.60
  6. Step 6: Final answer
    x = 19,412.45

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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.