Home / 31,433.12-47,156.28-28,296.32

Finding the Fourth Proportional to 31,433.12, 47,156.28 and 28,296.32

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Solution

The fourth proportional to 31,433.12, 47,156.28 and 28,296.32 is: 42,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.12 : 47,156.28 = 28,296.32 : x
  2. Step 2: Convert to fraction form
    31,433.12/47,156.28 = 28,296.32/x
  3. Step 3: Cross multiply
    31,433.12x = 47,156.28 × 28,296.32
  4. Step 4: Simplify right side
    31,433.12x = 1,334,349,188.89
  5. Step 5: Solve for x
    x = 1,334,349,188.89/31,433.12
  6. Step 6: Final answer
    x = 42,450.42

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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.