Home / 35,431.02-53,155.62-13,244.58

Finding the Fourth Proportional to 35,431.02, 53,155.62 and 13,244.58

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Solution

The fourth proportional to 35,431.02, 53,155.62 and 13,244.58 is: 19,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.02 : 53,155.62 = 13,244.58 : x
  2. Step 2: Convert to fraction form
    35,431.02/53,155.62 = 13,244.58/x
  3. Step 3: Cross multiply
    35,431.02x = 53,155.62 × 13,244.58
  4. Step 4: Simplify right side
    35,431.02x = 704,023,861.54
  5. Step 5: Solve for x
    x = 704,023,861.54/35,431.02
  6. Step 6: Final answer
    x = 19,870.27

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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.