Home / 47,509.25-65,552.36-28,386.15

Finding the Fourth Proportional to 47,509.25, 65,552.36 and 28,386.15

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Solution

The fourth proportional to 47,509.25, 65,552.36 and 28,386.15 is: 39,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,509.25 : 65,552.36 = 28,386.15 : x
  2. Step 2: Convert to fraction form
    47,509.25/65,552.36 = 28,386.15/x
  3. Step 3: Cross multiply
    47,509.25x = 65,552.36 × 28,386.15
  4. Step 4: Simplify right side
    47,509.25x = 1,860,779,227.70
  5. Step 5: Solve for x
    x = 1,860,779,227.70/47,509.25
  6. Step 6: Final answer
    x = 39,166.67

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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.