Home / 30,386.30-45,599.83-10,664.91

Finding the Fourth Proportional to 30,386.30, 45,599.83 and 10,664.91

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Solution

The fourth proportional to 30,386.30, 45,599.83 and 10,664.91 is: 16,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.30 : 45,599.83 = 10,664.91 : x
  2. Step 2: Convert to fraction form
    30,386.30/45,599.83 = 10,664.91/x
  3. Step 3: Cross multiply
    30,386.30x = 45,599.83 × 10,664.91
  4. Step 4: Simplify right side
    30,386.30x = 486,318,056.30
  5. Step 5: Solve for x
    x = 486,318,056.30/30,386.30
  6. Step 6: Final answer
    x = 16,004.52

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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.