Home / 31,010.40-46,483.20-16,948.80

Finding the Fourth Proportional to 31,010.40, 46,483.20 and 16,948.80

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Solution

The fourth proportional to 31,010.40, 46,483.20 and 16,948.80 is: 25,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.40 : 46,483.20 = 16,948.80 : x
  2. Step 2: Convert to fraction form
    31,010.40/46,483.20 = 16,948.80/x
  3. Step 3: Cross multiply
    31,010.40x = 46,483.20 × 16,948.80
  4. Step 4: Simplify right side
    31,010.40x = 787,834,460.16
  5. Step 5: Solve for x
    x = 787,834,460.16/31,010.40
  6. Step 6: Final answer
    x = 25,405.49

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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.