Home / 36,312.80-54,323.40-31,436.60

Finding the Fourth Proportional to 36,312.80, 54,323.40 and 31,436.60

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Solution

The fourth proportional to 36,312.80, 54,323.40 and 31,436.60 is: 47,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.80 : 54,323.40 = 31,436.60 : x
  2. Step 2: Convert to fraction form
    36,312.80/54,323.40 = 31,436.60/x
  3. Step 3: Cross multiply
    36,312.80x = 54,323.40 × 31,436.60
  4. Step 4: Simplify right side
    36,312.80x = 1,707,742,996.44
  5. Step 5: Solve for x
    x = 1,707,742,996.44/36,312.80
  6. Step 6: Final answer
    x = 47,028.68

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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.