Home / 45,810.40-68,715.60-19,544.80

Finding the Fourth Proportional to 45,810.40, 68,715.60 and 19,544.80

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Solution

The fourth proportional to 45,810.40, 68,715.60 and 19,544.80 is: 29,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,810.40 : 68,715.60 = 19,544.80 : x
  2. Step 2: Convert to fraction form
    45,810.40/68,715.60 = 19,544.80/x
  3. Step 3: Cross multiply
    45,810.40x = 68,715.60 × 19,544.80
  4. Step 4: Simplify right side
    45,810.40x = 1,343,032,658.88
  5. Step 5: Solve for x
    x = 1,343,032,658.88/45,810.40
  6. Step 6: Final answer
    x = 29,317.20

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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.