Home / 34,485.72-47,565.48-20,328.52

Finding the Fourth Proportional to 34,485.72, 47,565.48 and 20,328.52

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Solution

The fourth proportional to 34,485.72, 47,565.48 and 20,328.52 is: 28,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.72 : 47,565.48 = 20,328.52 : x
  2. Step 2: Convert to fraction form
    34,485.72/47,565.48 = 20,328.52/x
  3. Step 3: Cross multiply
    34,485.72x = 47,565.48 × 20,328.52
  4. Step 4: Simplify right side
    34,485.72x = 966,935,811.49
  5. Step 5: Solve for x
    x = 966,935,811.49/34,485.72
  6. Step 6: Final answer
    x = 28,038.73

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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.