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Finding the Fourth Proportional to 61,970.58, 92,969.07 and 17,610.90

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Solution

The fourth proportional to 61,970.58, 92,969.07 and 17,610.90 is: 26,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,970.58 : 92,969.07 = 17,610.90 : x
  2. Step 2: Convert to fraction form
    61,970.58/92,969.07 = 17,610.90/x
  3. Step 3: Cross multiply
    61,970.58x = 92,969.07 × 17,610.90
  4. Step 4: Simplify right side
    61,970.58x = 1,637,268,994.86
  5. Step 5: Solve for x
    x = 1,637,268,994.86/61,970.58
  6. Step 6: Final answer
    x = 26,420.10

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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.