Home / 53,970.48-80,946.60-14,518.81

Finding the Fourth Proportional to 53,970.48, 80,946.60 and 14,518.81

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Solution

The fourth proportional to 53,970.48, 80,946.60 and 14,518.81 is: 21,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.48 : 80,946.60 = 14,518.81 : x
  2. Step 2: Convert to fraction form
    53,970.48/80,946.60 = 14,518.81/x
  3. Step 3: Cross multiply
    53,970.48x = 80,946.60 × 14,518.81
  4. Step 4: Simplify right side
    53,970.48x = 1,175,248,305.55
  5. Step 5: Solve for x
    x = 1,175,248,305.55/53,970.48
  6. Step 6: Final answer
    x = 21,775.76

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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.