Home / 30,762.43-46,154.36-9,705.72

Finding the Fourth Proportional to 30,762.43, 46,154.36 and 9,705.72

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Solution

The fourth proportional to 30,762.43, 46,154.36 and 9,705.72 is: 14,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,762.43 : 46,154.36 = 9,705.72 : x
  2. Step 2: Convert to fraction form
    30,762.43/46,154.36 = 9,705.72/x
  3. Step 3: Cross multiply
    30,762.43x = 46,154.36 × 9,705.72
  4. Step 4: Simplify right side
    30,762.43x = 447,961,437.69
  5. Step 5: Solve for x
    x = 447,961,437.69/30,762.43
  6. Step 6: Final answer
    x = 14,561.96

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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.