Home / 43,030.15-64,513.77-28,955.19

Finding the Fourth Proportional to 43,030.15, 64,513.77 and 28,955.19

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Solution

The fourth proportional to 43,030.15, 64,513.77 and 28,955.19 is: 43,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,030.15 : 64,513.77 = 28,955.19 : x
  2. Step 2: Convert to fraction form
    43,030.15/64,513.77 = 28,955.19/x
  3. Step 3: Cross multiply
    43,030.15x = 64,513.77 × 28,955.19
  4. Step 4: Simplify right side
    43,030.15x = 1,868,008,467.97
  5. Step 5: Solve for x
    x = 1,868,008,467.97/43,030.15
  6. Step 6: Final answer
    x = 43,411.62

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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.