Home / 45,113.65-62,285.07-28,987.46

Finding the Fourth Proportional to 45,113.65, 62,285.07 and 28,987.46

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Solution

The fourth proportional to 45,113.65, 62,285.07 and 28,987.46 is: 40,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,113.65 : 62,285.07 = 28,987.46 : x
  2. Step 2: Convert to fraction form
    45,113.65/62,285.07 = 28,987.46/x
  3. Step 3: Cross multiply
    45,113.65x = 62,285.07 × 28,987.46
  4. Step 4: Simplify right side
    45,113.65x = 1,805,485,975.22
  5. Step 5: Solve for x
    x = 1,805,485,975.22/45,113.65
  6. Step 6: Final answer
    x = 40,020.84

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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.