Home / 30,085.14-45,127.80-10,363.44

Finding the Fourth Proportional to 30,085.14, 45,127.80 and 10,363.44

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Solution

The fourth proportional to 30,085.14, 45,127.80 and 10,363.44 is: 15,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085.14 : 45,127.80 = 10,363.44 : x
  2. Step 2: Convert to fraction form
    30,085.14/45,127.80 = 10,363.44/x
  3. Step 3: Cross multiply
    30,085.14x = 45,127.80 × 10,363.44
  4. Step 4: Simplify right side
    30,085.14x = 467,679,247.63
  5. Step 5: Solve for x
    x = 467,679,247.63/30,085.14
  6. Step 6: Final answer
    x = 15,545.19

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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.