Home / 42,635.54-63,953.85-13,053.67

Finding the Fourth Proportional to 42,635.54, 63,953.85 and 13,053.67

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Solution

The fourth proportional to 42,635.54, 63,953.85 and 13,053.67 is: 19,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,635.54 : 63,953.85 = 13,053.67 : x
  2. Step 2: Convert to fraction form
    42,635.54/63,953.85 = 13,053.67/x
  3. Step 3: Cross multiply
    42,635.54x = 63,953.85 × 13,053.67
  4. Step 4: Simplify right side
    42,635.54x = 834,832,453.13
  5. Step 5: Solve for x
    x = 834,832,453.13/42,635.54
  6. Step 6: Final answer
    x = 19,580.67

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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.