Home / 34,386.30-51,579.45-25,638.30

Finding the Fourth Proportional to 34,386.30, 51,579.45 and 25,638.30

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Solution

The fourth proportional to 34,386.30, 51,579.45 and 25,638.30 is: 38,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,386.30 : 51,579.45 = 25,638.30 : x
  2. Step 2: Convert to fraction form
    34,386.30/51,579.45 = 25,638.30/x
  3. Step 3: Cross multiply
    34,386.30x = 51,579.45 × 25,638.30
  4. Step 4: Simplify right side
    34,386.30x = 1,322,409,412.94
  5. Step 5: Solve for x
    x = 1,322,409,412.94/34,386.30
  6. Step 6: Final answer
    x = 38,457.45

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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.