Home / 47,059.32-70,583.81-13,779.71

Finding the Fourth Proportional to 47,059.32, 70,583.81 and 13,779.71

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Solution

The fourth proportional to 47,059.32, 70,583.81 and 13,779.71 is: 20,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,059.32 : 70,583.81 = 13,779.71 : x
  2. Step 2: Convert to fraction form
    47,059.32/70,583.81 = 13,779.71/x
  3. Step 3: Cross multiply
    47,059.32x = 70,583.81 × 13,779.71
  4. Step 4: Simplify right side
    47,059.32x = 972,624,432.50
  5. Step 5: Solve for x
    x = 972,624,432.50/47,059.32
  6. Step 6: Final answer
    x = 20,668.05

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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.