Home / 29,303.55-40,438.85-15,875.14

Finding the Fourth Proportional to 29,303.55, 40,438.85 and 15,875.14

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Solution

The fourth proportional to 29,303.55, 40,438.85 and 15,875.14 is: 21,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,303.55 : 40,438.85 = 15,875.14 : x
  2. Step 2: Convert to fraction form
    29,303.55/40,438.85 = 15,875.14/x
  3. Step 3: Cross multiply
    29,303.55x = 40,438.85 × 15,875.14
  4. Step 4: Simplify right side
    29,303.55x = 641,972,300.54
  5. Step 5: Solve for x
    x = 641,972,300.54/29,303.55
  6. Step 6: Final answer
    x = 21,907.67

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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.