Home / 45,026.69-67,547.45-18,733.28

Finding the Fourth Proportional to 45,026.69, 67,547.45 and 18,733.28

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Solution

The fourth proportional to 45,026.69, 67,547.45 and 18,733.28 is: 28,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,026.69 : 67,547.45 = 18,733.28 : x
  2. Step 2: Convert to fraction form
    45,026.69/67,547.45 = 18,733.28/x
  3. Step 3: Cross multiply
    45,026.69x = 67,547.45 × 18,733.28
  4. Step 4: Simplify right side
    45,026.69x = 1,265,385,003.23
  5. Step 5: Solve for x
    x = 1,265,385,003.23/45,026.69
  6. Step 6: Final answer
    x = 28,103.00

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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.