Home / 35,439.67-53,192.31-17,921.80

Finding the Fourth Proportional to 35,439.67, 53,192.31 and 17,921.80

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Solution

The fourth proportional to 35,439.67, 53,192.31 and 17,921.80 is: 26,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.67 : 53,192.31 = 17,921.80 : x
  2. Step 2: Convert to fraction form
    35,439.67/53,192.31 = 17,921.80/x
  3. Step 3: Cross multiply
    35,439.67x = 53,192.31 × 17,921.80
  4. Step 4: Simplify right side
    35,439.67x = 953,301,585.79
  5. Step 5: Solve for x
    x = 953,301,585.79/35,439.67
  6. Step 6: Final answer
    x = 26,899.28

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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.