Home / 31,506.59-47,274.98-19,657.31

Finding the Fourth Proportional to 31,506.59, 47,274.98 and 19,657.31

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Solution

The fourth proportional to 31,506.59, 47,274.98 and 19,657.31 is: 29,495.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.59 : 47,274.98 = 19,657.31 : x
  2. Step 2: Convert to fraction form
    31,506.59/47,274.98 = 19,657.31/x
  3. Step 3: Cross multiply
    31,506.59x = 47,274.98 × 19,657.31
  4. Step 4: Simplify right side
    31,506.59x = 929,298,602.44
  5. Step 5: Solve for x
    x = 929,298,602.44/31,506.59
  6. Step 6: Final answer
    x = 29,495.37

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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.