Home / 30,525.57-42,125.60-16,914.02

Finding the Fourth Proportional to 30,525.57, 42,125.60 and 16,914.02

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Solution

The fourth proportional to 30,525.57, 42,125.60 and 16,914.02 is: 23,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,525.57 : 42,125.60 = 16,914.02 : x
  2. Step 2: Convert to fraction form
    30,525.57/42,125.60 = 16,914.02/x
  3. Step 3: Cross multiply
    30,525.57x = 42,125.60 × 16,914.02
  4. Step 4: Simplify right side
    30,525.57x = 712,513,261.66
  5. Step 5: Solve for x
    x = 712,513,261.66/30,525.57
  6. Step 6: Final answer
    x = 23,341.52

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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.