Home / 31,171,148.38-43,018,094.55-17,421,210.46

Finding the Fourth Proportional to 31,171,148.38, 43,018,094.55 and 17,421,210.46

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Solution

The fourth proportional to 31,171,148.38, 43,018,094.55 and 17,421,210.46 is: 24,042,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171,148.38 : 43,018,094.55 = 17,421,210.46 : x
  2. Step 2: Convert to fraction form
    31,171,148.38/43,018,094.55 = 17,421,210.46/x
  3. Step 3: Cross multiply
    31,171,148.38x = 43,018,094.55 × 17,421,210.46
  4. Step 4: Simplify right side
    31,171,148.38x = 749,427,278,743,729
  5. Step 5: Solve for x
    x = 749,427,278,743,729/31,171,148.38
  6. Step 6: Final answer
    x = 24,042,337.79

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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.