Home / 35,543.20-53,298.60-15,811.60

Finding the Fourth Proportional to 35,543.20, 53,298.60 and 15,811.60

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Solution

The fourth proportional to 35,543.20, 53,298.60 and 15,811.60 is: 23,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,543.20 : 53,298.60 = 15,811.60 : x
  2. Step 2: Convert to fraction form
    35,543.20/53,298.60 = 15,811.60/x
  3. Step 3: Cross multiply
    35,543.20x = 53,298.60 × 15,811.60
  4. Step 4: Simplify right side
    35,543.20x = 842,736,143.76
  5. Step 5: Solve for x
    x = 842,736,143.76/35,543.20
  6. Step 6: Final answer
    x = 23,710.19

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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.