Home / 46,981.60-70,334.15-31,360.48

Finding the Fourth Proportional to 46,981.60, 70,334.15 and 31,360.48

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Solution

The fourth proportional to 46,981.60, 70,334.15 and 31,360.48 is: 46,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,981.60 : 70,334.15 = 31,360.48 : x
  2. Step 2: Convert to fraction form
    46,981.60/70,334.15 = 31,360.48/x
  3. Step 3: Cross multiply
    46,981.60x = 70,334.15 × 31,360.48
  4. Step 4: Simplify right side
    46,981.60x = 2,205,712,431.12
  5. Step 5: Solve for x
    x = 2,205,712,431.12/46,981.60
  6. Step 6: Final answer
    x = 46,948.44

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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.