Home / 47,749.50-65,900.39-28,886.76

Finding the Fourth Proportional to 47,749.50, 65,900.39 and 28,886.76

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Solution

The fourth proportional to 47,749.50, 65,900.39 and 28,886.76 is: 39,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,749.50 : 65,900.39 = 28,886.76 : x
  2. Step 2: Convert to fraction form
    47,749.50/65,900.39 = 28,886.76/x
  3. Step 3: Cross multiply
    47,749.50x = 65,900.39 × 28,886.76
  4. Step 4: Simplify right side
    47,749.50x = 1,903,648,605.40
  5. Step 5: Solve for x
    x = 1,903,648,605.40/47,749.50
  6. Step 6: Final answer
    x = 39,867.40

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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.