Home / 30,840.01-42,559.43-16,692.89

Finding the Fourth Proportional to 30,840.01, 42,559.43 and 16,692.89

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Solution

The fourth proportional to 30,840.01, 42,559.43 and 16,692.89 is: 23,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.01 : 42,559.43 = 16,692.89 : x
  2. Step 2: Convert to fraction form
    30,840.01/42,559.43 = 16,692.89/x
  3. Step 3: Cross multiply
    30,840.01x = 42,559.43 × 16,692.89
  4. Step 4: Simplify right side
    30,840.01x = 710,439,587.19
  5. Step 5: Solve for x
    x = 710,439,587.19/30,840.01
  6. Step 6: Final answer
    x = 23,036.30

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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.