Home / 53,415.36-80,124.68-18,354.52

Finding the Fourth Proportional to 53,415.36, 80,124.68 and 18,354.52

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Solution

The fourth proportional to 53,415.36, 80,124.68 and 18,354.52 is: 27,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415.36 : 80,124.68 = 18,354.52 : x
  2. Step 2: Convert to fraction form
    53,415.36/80,124.68 = 18,354.52/x
  3. Step 3: Cross multiply
    53,415.36x = 80,124.68 × 18,354.52
  4. Step 4: Simplify right side
    53,415.36x = 1,470,650,041.55
  5. Step 5: Solve for x
    x = 1,470,650,041.55/53,415.36
  6. Step 6: Final answer
    x = 27,532.34

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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.