Home / 45,039.39-62,156.34-28,053.69

Finding the Fourth Proportional to 45,039.39, 62,156.34 and 28,053.69

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Solution

The fourth proportional to 45,039.39, 62,156.34 and 28,053.69 is: 38,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,039.39 : 62,156.34 = 28,053.69 : x
  2. Step 2: Convert to fraction form
    45,039.39/62,156.34 = 28,053.69/x
  3. Step 3: Cross multiply
    45,039.39x = 62,156.34 × 28,053.69
  4. Step 4: Simplify right side
    45,039.39x = 1,743,714,693.89
  5. Step 5: Solve for x
    x = 1,743,714,693.89/45,039.39
  6. Step 6: Final answer
    x = 38,715.33

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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.