Home / 46,331.40-69,443.40-21,318.96

Finding the Fourth Proportional to 46,331.40, 69,443.40 and 21,318.96

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Solution

The fourth proportional to 46,331.40, 69,443.40 and 21,318.96 is: 31,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,331.40 : 69,443.40 = 21,318.96 : x
  2. Step 2: Convert to fraction form
    46,331.40/69,443.40 = 21,318.96/x
  3. Step 3: Cross multiply
    46,331.40x = 69,443.40 × 21,318.96
  4. Step 4: Simplify right side
    46,331.40x = 1,480,461,066.86
  5. Step 5: Solve for x
    x = 1,480,461,066.86/46,331.40
  6. Step 6: Final answer
    x = 31,953.73

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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.