Home / 29,688.18-44,535.20-8,628.40

Finding the Fourth Proportional to 29,688.18, 44,535.20 and 8,628.40

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Solution

The fourth proportional to 29,688.18, 44,535.20 and 8,628.40 is: 12,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.18 : 44,535.20 = 8,628.40 : x
  2. Step 2: Convert to fraction form
    29,688.18/44,535.20 = 8,628.40/x
  3. Step 3: Cross multiply
    29,688.18x = 44,535.20 × 8,628.40
  4. Step 4: Simplify right side
    29,688.18x = 384,267,519.68
  5. Step 5: Solve for x
    x = 384,267,519.68/29,688.18
  6. Step 6: Final answer
    x = 12,943.45

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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.