Home / 42,918.96-64,341.24-16,605.60

Finding the Fourth Proportional to 42,918.96, 64,341.24 and 16,605.60

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Solution

The fourth proportional to 42,918.96, 64,341.24 and 16,605.60 is: 24,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,918.96 : 64,341.24 = 16,605.60 : x
  2. Step 2: Convert to fraction form
    42,918.96/64,341.24 = 16,605.60/x
  3. Step 3: Cross multiply
    42,918.96x = 64,341.24 × 16,605.60
  4. Step 4: Simplify right side
    42,918.96x = 1,068,424,894.94
  5. Step 5: Solve for x
    x = 1,068,424,894.94/42,918.96
  6. Step 6: Final answer
    x = 24,894.01

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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.