Home / 30,090.24-45,134.85-10,368.36

Finding the Fourth Proportional to 30,090.24, 45,134.85 and 10,368.36

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Solution

The fourth proportional to 30,090.24, 45,134.85 and 10,368.36 is: 15,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.24 : 45,134.85 = 10,368.36 : x
  2. Step 2: Convert to fraction form
    30,090.24/45,134.85 = 10,368.36/x
  3. Step 3: Cross multiply
    30,090.24x = 45,134.85 × 10,368.36
  4. Step 4: Simplify right side
    30,090.24x = 467,974,373.35
  5. Step 5: Solve for x
    x = 467,974,373.35/30,090.24
  6. Step 6: Final answer
    x = 15,552.36

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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.