Home / 31,335.40-46,984.14-12,337.28

Finding the Fourth Proportional to 31,335.40, 46,984.14 and 12,337.28

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Solution

The fourth proportional to 31,335.40, 46,984.14 and 12,337.28 is: 18,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.40 : 46,984.14 = 12,337.28 : x
  2. Step 2: Convert to fraction form
    31,335.40/46,984.14 = 12,337.28/x
  3. Step 3: Cross multiply
    31,335.40x = 46,984.14 × 12,337.28
  4. Step 4: Simplify right side
    31,335.40x = 579,656,490.74
  5. Step 5: Solve for x
    x = 579,656,490.74/31,335.40
  6. Step 6: Final answer
    x = 18,498.46

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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.