Home / 53,423.41-80,140.46-18,358.45

Finding the Fourth Proportional to 53,423.41, 80,140.46 and 18,358.45

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Solution

The fourth proportional to 53,423.41, 80,140.46 and 18,358.45 is: 27,539.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,423.41 : 80,140.46 = 18,358.45 : x
  2. Step 2: Convert to fraction form
    53,423.41/80,140.46 = 18,358.45/x
  3. Step 3: Cross multiply
    53,423.41x = 80,140.46 × 18,358.45
  4. Step 4: Simplify right side
    53,423.41x = 1,471,254,536.09
  5. Step 5: Solve for x
    x = 1,471,254,536.09/53,423.41
  6. Step 6: Final answer
    x = 27,539.51

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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.