Home / 46,746.72-70,078.32-20,430.62

Finding the Fourth Proportional to 46,746.72, 70,078.32 and 20,430.62

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Solution

The fourth proportional to 46,746.72, 70,078.32 and 20,430.62 is: 30,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,746.72 : 70,078.32 = 20,430.62 : x
  2. Step 2: Convert to fraction form
    46,746.72/70,078.32 = 20,430.62/x
  3. Step 3: Cross multiply
    46,746.72x = 70,078.32 × 20,430.62
  4. Step 4: Simplify right side
    46,746.72x = 1,431,743,526.16
  5. Step 5: Solve for x
    x = 1,431,743,526.16/46,746.72
  6. Step 6: Final answer
    x = 30,627.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.