Home / 30,269.76-45,425.36-10,548.32

Finding the Fourth Proportional to 30,269.76, 45,425.36 and 10,548.32

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Solution

The fourth proportional to 30,269.76, 45,425.36 and 10,548.32 is: 15,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269.76 : 45,425.36 = 10,548.32 : x
  2. Step 2: Convert to fraction form
    30,269.76/45,425.36 = 10,548.32/x
  3. Step 3: Cross multiply
    30,269.76x = 45,425.36 × 10,548.32
  4. Step 4: Simplify right side
    30,269.76x = 479,161,233.40
  5. Step 5: Solve for x
    x = 479,161,233.40/30,269.76
  6. Step 6: Final answer
    x = 15,829.70

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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.