Home / 31,320.89-46,959.02-14,671.85

Finding the Fourth Proportional to 31,320.89, 46,959.02 and 14,671.85

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Solution

The fourth proportional to 31,320.89, 46,959.02 and 14,671.85 is: 21,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.89 : 46,959.02 = 14,671.85 : x
  2. Step 2: Convert to fraction form
    31,320.89/46,959.02 = 14,671.85/x
  3. Step 3: Cross multiply
    31,320.89x = 46,959.02 × 14,671.85
  4. Step 4: Simplify right side
    31,320.89x = 688,975,697.59
  5. Step 5: Solve for x
    x = 688,975,697.59/31,320.89
  6. Step 6: Final answer
    x = 21,997.32

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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.