Home / 45,448.90-62,678.01-28,652.74

Finding the Fourth Proportional to 45,448.90, 62,678.01 and 28,652.74

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Solution

The fourth proportional to 45,448.90, 62,678.01 and 28,652.74 is: 39,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,448.90 : 62,678.01 = 28,652.74 : x
  2. Step 2: Convert to fraction form
    45,448.90/62,678.01 = 28,652.74/x
  3. Step 3: Cross multiply
    45,448.90x = 62,678.01 × 28,652.74
  4. Step 4: Simplify right side
    45,448.90x = 1,795,896,724.25
  5. Step 5: Solve for x
    x = 1,795,896,724.25/45,448.90
  6. Step 6: Final answer
    x = 39,514.64

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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.