Home / 30,260.58-45,397.02-10,540.68

Finding the Fourth Proportional to 30,260.58, 45,397.02 and 10,540.68

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Solution

The fourth proportional to 30,260.58, 45,397.02 and 10,540.68 is: 15,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.58 : 45,397.02 = 10,540.68 : x
  2. Step 2: Convert to fraction form
    30,260.58/45,397.02 = 10,540.68/x
  3. Step 3: Cross multiply
    30,260.58x = 45,397.02 × 10,540.68
  4. Step 4: Simplify right side
    30,260.58x = 478,515,460.77
  5. Step 5: Solve for x
    x = 478,515,460.77/30,260.58
  6. Step 6: Final answer
    x = 15,813.16

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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.