Home / 31,603.08-47,575.94-28,847.46

Finding the Fourth Proportional to 31,603.08, 47,575.94 and 28,847.46

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Solution

The fourth proportional to 31,603.08, 47,575.94 and 28,847.46 is: 43,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,603.08 : 47,575.94 = 28,847.46 : x
  2. Step 2: Convert to fraction form
    31,603.08/47,575.94 = 28,847.46/x
  3. Step 3: Cross multiply
    31,603.08x = 47,575.94 × 28,847.46
  4. Step 4: Simplify right side
    31,603.08x = 1,372,445,026.11
  5. Step 5: Solve for x
    x = 1,372,445,026.11/31,603.08
  6. Step 6: Final answer
    x = 43,427.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.