Home / 31,383.72-47,075.54-8,010.16

Finding the Fourth Proportional to 31,383.72, 47,075.54 and 8,010.16

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Solution

The fourth proportional to 31,383.72, 47,075.54 and 8,010.16 is: 12,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.72 : 47,075.54 = 8,010.16 : x
  2. Step 2: Convert to fraction form
    31,383.72/47,075.54 = 8,010.16/x
  3. Step 3: Cross multiply
    31,383.72x = 47,075.54 × 8,010.16
  4. Step 4: Simplify right side
    31,383.72x = 377,082,607.49
  5. Step 5: Solve for x
    x = 377,082,607.49/31,383.72
  6. Step 6: Final answer
    x = 12,015.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.