Home / 35,975.60-53,963.40-20,423.60

Finding the Fourth Proportional to 35,975.60, 53,963.40 and 20,423.60

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Solution

The fourth proportional to 35,975.60, 53,963.40 and 20,423.60 is: 30,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,975.60 : 53,963.40 = 20,423.60 : x
  2. Step 2: Convert to fraction form
    35,975.60/53,963.40 = 20,423.60/x
  3. Step 3: Cross multiply
    35,975.60x = 53,963.40 × 20,423.60
  4. Step 4: Simplify right side
    35,975.60x = 1,102,126,896.24
  5. Step 5: Solve for x
    x = 1,102,126,896.24/35,975.60
  6. Step 6: Final answer
    x = 30,635.40

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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.