Home / 55,782.80-83,501.40-32,339.60

Finding the Fourth Proportional to 55,782.80, 83,501.40 and 32,339.60

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Solution

The fourth proportional to 55,782.80, 83,501.40 and 32,339.60 is: 48,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,782.80 : 83,501.40 = 32,339.60 : x
  2. Step 2: Convert to fraction form
    55,782.80/83,501.40 = 32,339.60/x
  3. Step 3: Cross multiply
    55,782.80x = 83,501.40 × 32,339.60
  4. Step 4: Simplify right side
    55,782.80x = 2,700,401,875.44
  5. Step 5: Solve for x
    x = 2,700,401,875.44/55,782.80
  6. Step 6: Final answer
    x = 48,409.22

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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.