Home / 43,341.77-64,895.80-28,311.66

Finding the Fourth Proportional to 43,341.77, 64,895.80 and 28,311.66

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Solution

The fourth proportional to 43,341.77, 64,895.80 and 28,311.66 is: 42,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,341.77 : 64,895.80 = 28,311.66 : x
  2. Step 2: Convert to fraction form
    43,341.77/64,895.80 = 28,311.66/x
  3. Step 3: Cross multiply
    43,341.77x = 64,895.80 × 28,311.66
  4. Step 4: Simplify right side
    43,341.77x = 1,837,307,825.03
  5. Step 5: Solve for x
    x = 1,837,307,825.03/43,341.77
  6. Step 6: Final answer
    x = 42,391.16

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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.