Home / 43,246.64-64,871.89-13,258.72

Finding the Fourth Proportional to 43,246.64, 64,871.89 and 13,258.72

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Solution

The fourth proportional to 43,246.64, 64,871.89 and 13,258.72 is: 19,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,246.64 : 64,871.89 = 13,258.72 : x
  2. Step 2: Convert to fraction form
    43,246.64/64,871.89 = 13,258.72/x
  3. Step 3: Cross multiply
    43,246.64x = 64,871.89 × 13,258.72
  4. Step 4: Simplify right side
    43,246.64x = 860,118,225.38
  5. Step 5: Solve for x
    x = 860,118,225.38/43,246.64
  6. Step 6: Final answer
    x = 19,888.67

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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.