Home / 30,478.56-41,966.96-26,680.47

Finding the Fourth Proportional to 30,478.56, 41,966.96 and 26,680.47

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Solution

The fourth proportional to 30,478.56, 41,966.96 and 26,680.47 is: 36,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,478.56 : 41,966.96 = 26,680.47 : x
  2. Step 2: Convert to fraction form
    30,478.56/41,966.96 = 26,680.47/x
  3. Step 3: Cross multiply
    30,478.56x = 41,966.96 × 26,680.47
  4. Step 4: Simplify right side
    30,478.56x = 1,119,698,083.87
  5. Step 5: Solve for x
    x = 1,119,698,083.87/30,478.56
  6. Step 6: Final answer
    x = 36,737.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.