Home / 35,977.37-53,973.74-12,605.21

Finding the Fourth Proportional to 35,977.37, 53,973.74 and 12,605.21

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Solution

The fourth proportional to 35,977.37, 53,973.74 and 12,605.21 is: 18,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.37 : 53,973.74 = 12,605.21 : x
  2. Step 2: Convert to fraction form
    35,977.37/53,973.74 = 12,605.21/x
  3. Step 3: Cross multiply
    35,977.37x = 53,973.74 × 12,605.21
  4. Step 4: Simplify right side
    35,977.37x = 680,350,327.19
  5. Step 5: Solve for x
    x = 680,350,327.19/35,977.37
  6. Step 6: Final answer
    x = 18,910.51

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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.