Home / 47,442.94-65,460.47-28,328.90

Finding the Fourth Proportional to 47,442.94, 65,460.47 and 28,328.90

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Solution

The fourth proportional to 47,442.94, 65,460.47 and 28,328.90 is: 39,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,442.94 : 65,460.47 = 28,328.90 : x
  2. Step 2: Convert to fraction form
    47,442.94/65,460.47 = 28,328.90/x
  3. Step 3: Cross multiply
    47,442.94x = 65,460.47 × 28,328.90
  4. Step 4: Simplify right side
    47,442.94x = 1,854,423,108.58
  5. Step 5: Solve for x
    x = 1,854,423,108.58/47,442.94
  6. Step 6: Final answer
    x = 39,087.44

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1.5x scale

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.