Home / 46,900.30-70,354.11-13,620.91

Finding the Fourth Proportional to 46,900.30, 70,354.11 and 13,620.91

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Solution

The fourth proportional to 46,900.30, 70,354.11 and 13,620.91 is: 20,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,900.30 : 70,354.11 = 13,620.91 : x
  2. Step 2: Convert to fraction form
    46,900.30/70,354.11 = 13,620.91/x
  3. Step 3: Cross multiply
    46,900.30x = 70,354.11 × 13,620.91
  4. Step 4: Simplify right side
    46,900.30x = 958,287,000.44
  5. Step 5: Solve for x
    x = 958,287,000.44/46,900.30
  6. Step 6: Final answer
    x = 20,432.43

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1.5x scale

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.