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Finding the Fourth Proportional to 46,573.76, 69,860.66 and 15,409.01

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Solution

The fourth proportional to 46,573.76, 69,860.66 and 15,409.01 is: 23,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,573.76 : 69,860.66 = 15,409.01 : x
  2. Step 2: Convert to fraction form
    46,573.76/69,860.66 = 15,409.01/x
  3. Step 3: Cross multiply
    46,573.76x = 69,860.66 × 15,409.01
  4. Step 4: Simplify right side
    46,573.76x = 1,076,483,182.20
  5. Step 5: Solve for x
    x = 1,076,483,182.20/46,573.76
  6. Step 6: Final answer
    x = 23,113.51

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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.