Home / 35,810.31-53,715.48-13,618.56

Finding the Fourth Proportional to 35,810.31, 53,715.48 and 13,618.56

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Solution

The fourth proportional to 35,810.31, 53,715.48 and 13,618.56 is: 20,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,810.31 : 53,715.48 = 13,618.56 : x
  2. Step 2: Convert to fraction form
    35,810.31/53,715.48 = 13,618.56/x
  3. Step 3: Cross multiply
    35,810.31x = 53,715.48 × 13,618.56
  4. Step 4: Simplify right side
    35,810.31x = 731,527,487.31
  5. Step 5: Solve for x
    x = 731,527,487.31/35,810.31
  6. Step 6: Final answer
    x = 20,427.85

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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.