Home / 30,762.60-42,452.40-16,615.44

Finding the Fourth Proportional to 30,762.60, 42,452.40 and 16,615.44

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Solution

The fourth proportional to 30,762.60, 42,452.40 and 16,615.44 is: 22,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,762.60 : 42,452.40 = 16,615.44 : x
  2. Step 2: Convert to fraction form
    30,762.60/42,452.40 = 16,615.44/x
  3. Step 3: Cross multiply
    30,762.60x = 42,452.40 × 16,615.44
  4. Step 4: Simplify right side
    30,762.60x = 705,365,305.06
  5. Step 5: Solve for x
    x = 705,365,305.06/30,762.60
  6. Step 6: Final answer
    x = 22,929.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.