Home / 31,135.79-46,702.37-14,490.09

Finding the Fourth Proportional to 31,135.79, 46,702.37 and 14,490.09

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Solution

The fourth proportional to 31,135.79, 46,702.37 and 14,490.09 is: 21,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135.79 : 46,702.37 = 14,490.09 : x
  2. Step 2: Convert to fraction form
    31,135.79/46,702.37 = 14,490.09/x
  3. Step 3: Cross multiply
    31,135.79x = 46,702.37 × 14,490.09
  4. Step 4: Simplify right side
    31,135.79x = 676,721,580.74
  5. Step 5: Solve for x
    x = 676,721,580.74/31,135.79
  6. Step 6: Final answer
    x = 21,734.52

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1.5x scale

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.