Home / 38,980.72-53,757.50-25,547.08

Finding the Fourth Proportional to 38,980.72, 53,757.50 and 25,547.08

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Solution

The fourth proportional to 38,980.72, 53,757.50 and 25,547.08 is: 35,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,980.72 : 53,757.50 = 25,547.08 : x
  2. Step 2: Convert to fraction form
    38,980.72/53,757.50 = 25,547.08/x
  3. Step 3: Cross multiply
    38,980.72x = 53,757.50 × 25,547.08
  4. Step 4: Simplify right side
    38,980.72x = 1,373,347,153.10
  5. Step 5: Solve for x
    x = 1,373,347,153.10/38,980.72
  6. Step 6: Final answer
    x = 35,231.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.