Home / 53,289.36-73,541.76-30,635.67

Finding the Fourth Proportional to 53,289.36, 73,541.76 and 30,635.67

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Solution

The fourth proportional to 53,289.36, 73,541.76 and 30,635.67 is: 42,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,289.36 : 73,541.76 = 30,635.67 : x
  2. Step 2: Convert to fraction form
    53,289.36/73,541.76 = 30,635.67/x
  3. Step 3: Cross multiply
    53,289.36x = 73,541.76 × 30,635.67
  4. Step 4: Simplify right side
    53,289.36x = 2,253,001,090.58
  5. Step 5: Solve for x
    x = 2,253,001,090.58/53,289.36
  6. Step 6: Final answer
    x = 42,278.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.