Home / 47,148.87-65,036.88-28,021.94

Finding the Fourth Proportional to 47,148.87, 65,036.88 and 28,021.94

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Solution

The fourth proportional to 47,148.87, 65,036.88 and 28,021.94 is: 38,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,148.87 : 65,036.88 = 28,021.94 : x
  2. Step 2: Convert to fraction form
    47,148.87/65,036.88 = 28,021.94/x
  3. Step 3: Cross multiply
    47,148.87x = 65,036.88 × 28,021.94
  4. Step 4: Simplify right side
    47,148.87x = 1,822,459,223.96
  5. Step 5: Solve for x
    x = 1,822,459,223.96/47,148.87
  6. Step 6: Final answer
    x = 38,653.30

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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.