Home / 30,127.77-45,196.68-10,401.03

Finding the Fourth Proportional to 30,127.77, 45,196.68 and 10,401.03

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Solution

The fourth proportional to 30,127.77, 45,196.68 and 10,401.03 is: 15,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.77 : 45,196.68 = 10,401.03 : x
  2. Step 2: Convert to fraction form
    30,127.77/45,196.68 = 10,401.03/x
  3. Step 3: Cross multiply
    30,127.77x = 45,196.68 × 10,401.03
  4. Step 4: Simplify right side
    30,127.77x = 470,092,024.58
  5. Step 5: Solve for x
    x = 470,092,024.58/30,127.77
  6. Step 6: Final answer
    x = 15,603.28

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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.