Home / 30,077.36-45,095.54-15,257.70

Finding the Fourth Proportional to 30,077.36, 45,095.54 and 15,257.70

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Solution

The fourth proportional to 30,077.36, 45,095.54 and 15,257.70 is: 22,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,077.36 : 45,095.54 = 15,257.70 : x
  2. Step 2: Convert to fraction form
    30,077.36/45,095.54 = 15,257.70/x
  3. Step 3: Cross multiply
    30,077.36x = 45,095.54 × 15,257.70
  4. Step 4: Simplify right side
    30,077.36x = 688,054,144.37
  5. Step 5: Solve for x
    x = 688,054,144.37/30,077.36
  6. Step 6: Final answer
    x = 22,876.15

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1.5x scale

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.