Home / 35,423.20-53,122.38-10,456.60

Finding the Fourth Proportional to 35,423.20, 53,122.38 and 10,456.60

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Solution

The fourth proportional to 35,423.20, 53,122.38 and 10,456.60 is: 15,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,423.20 : 53,122.38 = 10,456.60 : x
  2. Step 2: Convert to fraction form
    35,423.20/53,122.38 = 10,456.60/x
  3. Step 3: Cross multiply
    35,423.20x = 53,122.38 × 10,456.60
  4. Step 4: Simplify right side
    35,423.20x = 555,479,478.71
  5. Step 5: Solve for x
    x = 555,479,478.71/35,423.20
  6. Step 6: Final answer
    x = 15,681.23

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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.