Home / 30,172.93-45,262.48-10,451.45

Finding the Fourth Proportional to 30,172.93, 45,262.48 and 10,451.45

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Solution

The fourth proportional to 30,172.93, 45,262.48 and 10,451.45 is: 15,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,172.93 : 45,262.48 = 10,451.45 : x
  2. Step 2: Convert to fraction form
    30,172.93/45,262.48 = 10,451.45/x
  3. Step 3: Cross multiply
    30,172.93x = 45,262.48 × 10,451.45
  4. Step 4: Simplify right side
    30,172.93x = 473,058,520.47
  5. Step 5: Solve for x
    x = 473,058,520.47/30,172.93
  6. Step 6: Final answer
    x = 15,678.24

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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.