Home / 30,840.09-42,559.37-16,692.93

Finding the Fourth Proportional to 30,840.09, 42,559.37 and 16,692.93

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Solution

The fourth proportional to 30,840.09, 42,559.37 and 16,692.93 is: 23,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.09 : 42,559.37 = 16,692.93 : x
  2. Step 2: Convert to fraction form
    30,840.09/42,559.37 = 16,692.93/x
  3. Step 3: Cross multiply
    30,840.09x = 42,559.37 × 16,692.93
  4. Step 4: Simplify right side
    30,840.09x = 710,440,500.79
  5. Step 5: Solve for x
    x = 710,440,500.79/30,840.09
  6. Step 6: Final answer
    x = 23,036.27

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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.