Home / 29,947.10-44,920.65-18,866.30

Finding the Fourth Proportional to 29,947.10, 44,920.65 and 18,866.30

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Solution

The fourth proportional to 29,947.10, 44,920.65 and 18,866.30 is: 28,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,947.10 : 44,920.65 = 18,866.30 : x
  2. Step 2: Convert to fraction form
    29,947.10/44,920.65 = 18,866.30/x
  3. Step 3: Cross multiply
    29,947.10x = 44,920.65 × 18,866.30
  4. Step 4: Simplify right side
    29,947.10x = 847,486,459.10
  5. Step 5: Solve for x
    x = 847,486,459.10/29,947.10
  6. Step 6: Final answer
    x = 28,299.45

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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.