Home / 30,430.54-45,641.19-10,704.47

Finding the Fourth Proportional to 30,430.54, 45,641.19 and 10,704.47

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Solution

The fourth proportional to 30,430.54, 45,641.19 and 10,704.47 is: 16,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430.54 : 45,641.19 = 10,704.47 : x
  2. Step 2: Convert to fraction form
    30,430.54/45,641.19 = 10,704.47/x
  3. Step 3: Cross multiply
    30,430.54x = 45,641.19 × 10,704.47
  4. Step 4: Simplify right side
    30,430.54x = 488,564,749.12
  5. Step 5: Solve for x
    x = 488,564,749.12/30,430.54
  6. Step 6: Final answer
    x = 16,055.08

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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.