Home / 30,693.46-45,981.06-25,703.86

Finding the Fourth Proportional to 30,693.46, 45,981.06 and 25,703.86

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Solution

The fourth proportional to 30,693.46, 45,981.06 and 25,703.86 is: 38,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,693.46 : 45,981.06 = 25,703.86 : x
  2. Step 2: Convert to fraction form
    30,693.46/45,981.06 = 25,703.86/x
  3. Step 3: Cross multiply
    30,693.46x = 45,981.06 × 25,703.86
  4. Step 4: Simplify right side
    30,693.46x = 1,181,890,728.89
  5. Step 5: Solve for x
    x = 1,181,890,728.89/30,693.46
  6. Step 6: Final answer
    x = 38,506.27

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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.