Home / 40,762.40-61,152.08-12,684.48

Finding the Fourth Proportional to 40,762.40, 61,152.08 and 12,684.48

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Solution

The fourth proportional to 40,762.40, 61,152.08 and 12,684.48 is: 19,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,762.40 : 61,152.08 = 12,684.48 : x
  2. Step 2: Convert to fraction form
    40,762.40/61,152.08 = 12,684.48/x
  3. Step 3: Cross multiply
    40,762.40x = 61,152.08 × 12,684.48
  4. Step 4: Simplify right side
    40,762.40x = 775,682,335.72
  5. Step 5: Solve for x
    x = 775,682,335.72/40,762.40
  6. Step 6: Final answer
    x = 19,029.36

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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.