Home / 31,967,575.20-47,911,996.80-21,732,415.20

Finding the Fourth Proportional to 31,967,575.20, 47,911,996.80 and 21,732,415.20

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Solution

The fourth proportional to 31,967,575.20, 47,911,996.80 and 21,732,415.20 is: 32,571,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,967,575.20 : 47,911,996.80 = 21,732,415.20 : x
  2. Step 2: Convert to fraction form
    31,967,575.20/47,911,996.80 = 21,732,415.20/x
  3. Step 3: Cross multiply
    31,967,575.20x = 47,911,996.80 × 21,732,415.20
  4. Step 4: Simplify right side
    31,967,575.20x = 1,041,243,407,518,671.25
  5. Step 5: Solve for x
    x = 1,041,243,407,518,671.25/31,967,575.20
  6. Step 6: Final answer
    x = 32,571,860.74

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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.