Home / 30,020.54-45,031.73-10,298.81

Finding the Fourth Proportional to 30,020.54, 45,031.73 and 10,298.81

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Solution

The fourth proportional to 30,020.54, 45,031.73 and 10,298.81 is: 15,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020.54 : 45,031.73 = 10,298.81 : x
  2. Step 2: Convert to fraction form
    30,020.54/45,031.73 = 10,298.81/x
  3. Step 3: Cross multiply
    30,020.54x = 45,031.73 × 10,298.81
  4. Step 4: Simplify right side
    30,020.54x = 463,773,292.33
  5. Step 5: Solve for x
    x = 463,773,292.33/30,020.54
  6. Step 6: Final answer
    x = 15,448.53

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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.