Home / 42,863.29-64,299.18-14,779.69

Finding the Fourth Proportional to 42,863.29, 64,299.18 and 14,779.69

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Solution

The fourth proportional to 42,863.29, 64,299.18 and 14,779.69 is: 22,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,863.29 : 64,299.18 = 14,779.69 : x
  2. Step 2: Convert to fraction form
    42,863.29/64,299.18 = 14,779.69/x
  3. Step 3: Cross multiply
    42,863.29x = 64,299.18 × 14,779.69
  4. Step 4: Simplify right side
    42,863.29x = 950,321,947.65
  5. Step 5: Solve for x
    x = 950,321,947.65/42,863.29
  6. Step 6: Final answer
    x = 22,171.00

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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.