Home / 30,525.60-42,130.44-18,593.58

Finding the Fourth Proportional to 30,525.60, 42,130.44 and 18,593.58

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Solution

The fourth proportional to 30,525.60, 42,130.44 and 18,593.58 is: 25,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,525.60 : 42,130.44 = 18,593.58 : x
  2. Step 2: Convert to fraction form
    30,525.60/42,130.44 = 18,593.58/x
  3. Step 3: Cross multiply
    30,525.60x = 42,130.44 × 18,593.58
  4. Step 4: Simplify right side
    30,525.60x = 783,355,706.58
  5. Step 5: Solve for x
    x = 783,355,706.58/30,525.60
  6. Step 6: Final answer
    x = 25,662.25

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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.