Home / 30,560.49-45,845.60-13,030.47

Finding the Fourth Proportional to 30,560.49, 45,845.60 and 13,030.47

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Solution

The fourth proportional to 30,560.49, 45,845.60 and 13,030.47 is: 19,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,560.49 : 45,845.60 = 13,030.47 : x
  2. Step 2: Convert to fraction form
    30,560.49/45,845.60 = 13,030.47/x
  3. Step 3: Cross multiply
    30,560.49x = 45,845.60 × 13,030.47
  4. Step 4: Simplify right side
    30,560.49x = 597,389,650.28
  5. Step 5: Solve for x
    x = 597,389,650.28/30,560.49
  6. Step 6: Final answer
    x = 19,547.78

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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.