Home / 30,617.19-45,937.26-20,848.59

Finding the Fourth Proportional to 30,617.19, 45,937.26 and 20,848.59

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Solution

The fourth proportional to 30,617.19, 45,937.26 and 20,848.59 is: 31,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617.19 : 45,937.26 = 20,848.59 : x
  2. Step 2: Convert to fraction form
    30,617.19/45,937.26 = 20,848.59/x
  3. Step 3: Cross multiply
    30,617.19x = 45,937.26 × 20,848.59
  4. Step 4: Simplify right side
    30,617.19x = 957,727,099.46
  5. Step 5: Solve for x
    x = 957,727,099.46/30,617.19
  6. Step 6: Final answer
    x = 31,280.70

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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.