Home / 57,021.72-85,532.56-25,423.62

Finding the Fourth Proportional to 57,021.72, 85,532.56 and 25,423.62

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Solution

The fourth proportional to 57,021.72, 85,532.56 and 25,423.62 is: 38,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.72 : 85,532.56 = 25,423.62 : x
  2. Step 2: Convert to fraction form
    57,021.72/85,532.56 = 25,423.62/x
  3. Step 3: Cross multiply
    57,021.72x = 85,532.56 × 25,423.62
  4. Step 4: Simplify right side
    57,021.72x = 2,174,547,303.07
  5. Step 5: Solve for x
    x = 2,174,547,303.07/57,021.72
  6. Step 6: Final answer
    x = 38,135.42

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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.