Home / 43,038.45-64,555.17-19,339.88

Finding the Fourth Proportional to 43,038.45, 64,555.17 and 19,339.88

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Solution

The fourth proportional to 43,038.45, 64,555.17 and 19,339.88 is: 29,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,038.45 : 64,555.17 = 19,339.88 : x
  2. Step 2: Convert to fraction form
    43,038.45/64,555.17 = 19,339.88/x
  3. Step 3: Cross multiply
    43,038.45x = 64,555.17 × 19,339.88
  4. Step 4: Simplify right side
    43,038.45x = 1,248,488,918.40
  5. Step 5: Solve for x
    x = 1,248,488,918.40/43,038.45
  6. Step 6: Final answer
    x = 29,008.69

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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.