Home / 30,692.16-42,314.40-20,063.52

Finding the Fourth Proportional to 30,692.16, 42,314.40 and 20,063.52

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Solution

The fourth proportional to 30,692.16, 42,314.40 and 20,063.52 is: 27,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,692.16 : 42,314.40 = 20,063.52 : x
  2. Step 2: Convert to fraction form
    30,692.16/42,314.40 = 20,063.52/x
  3. Step 3: Cross multiply
    30,692.16x = 42,314.40 × 20,063.52
  4. Step 4: Simplify right side
    30,692.16x = 848,975,810.69
  5. Step 5: Solve for x
    x = 848,975,810.69/30,692.16
  6. Step 6: Final answer
    x = 27,661.00

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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.