Home / 45,510.93-62,780.27-28,511.51

Finding the Fourth Proportional to 45,510.93, 62,780.27 and 28,511.51

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Solution

The fourth proportional to 45,510.93, 62,780.27 and 28,511.51 is: 39,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,510.93 : 62,780.27 = 28,511.51 : x
  2. Step 2: Convert to fraction form
    45,510.93/62,780.27 = 28,511.51/x
  3. Step 3: Cross multiply
    45,510.93x = 62,780.27 × 28,511.51
  4. Step 4: Simplify right side
    45,510.93x = 1,789,959,839.45
  5. Step 5: Solve for x
    x = 1,789,959,839.45/45,510.93
  6. Step 6: Final answer
    x = 39,330.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.