Home / 35,431.58-53,156.50-13,245.12

Finding the Fourth Proportional to 35,431.58, 53,156.50 and 13,245.12

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Solution

The fourth proportional to 35,431.58, 53,156.50 and 13,245.12 is: 19,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.58 : 53,156.50 = 13,245.12 : x
  2. Step 2: Convert to fraction form
    35,431.58/53,156.50 = 13,245.12/x
  3. Step 3: Cross multiply
    35,431.58x = 53,156.50 × 13,245.12
  4. Step 4: Simplify right side
    35,431.58x = 704,064,262.67
  5. Step 5: Solve for x
    x = 704,064,262.67/35,431.58
  6. Step 6: Final answer
    x = 19,871.10

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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.