Home / 30,034.28-45,055.02-10,316.36

Finding the Fourth Proportional to 30,034.28, 45,055.02 and 10,316.36

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Solution

The fourth proportional to 30,034.28, 45,055.02 and 10,316.36 is: 15,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,034.28 : 45,055.02 = 10,316.36 : x
  2. Step 2: Convert to fraction form
    30,034.28/45,055.02 = 10,316.36/x
  3. Step 3: Cross multiply
    30,034.28x = 45,055.02 × 10,316.36
  4. Step 4: Simplify right side
    30,034.28x = 464,803,806.13
  5. Step 5: Solve for x
    x = 464,803,806.13/30,034.28
  6. Step 6: Final answer
    x = 15,475.78

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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.