Home / 31,172,836.04-43,018,576.18-17,421,799.80

Finding the Fourth Proportional to 31,172,836.04, 43,018,576.18 and 17,421,799.80

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Solution

The fourth proportional to 31,172,836.04, 43,018,576.18 and 17,421,799.80 is: 24,042,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172,836.04 : 43,018,576.18 = 17,421,799.80 : x
  2. Step 2: Convert to fraction form
    31,172,836.04/43,018,576.18 = 17,421,799.80/x
  3. Step 3: Cross multiply
    31,172,836.04x = 43,018,576.18 × 17,421,799.80
  4. Step 4: Simplify right side
    31,172,836.04x = 749,461,021,889,008.75
  5. Step 5: Solve for x
    x = 749,461,021,889,008.75/31,172,836.04
  6. Step 6: Final answer
    x = 24,042,118.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.