Home / 53,443.50-80,154.29-31,239.98

Finding the Fourth Proportional to 53,443.50, 80,154.29 and 31,239.98

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Solution

The fourth proportional to 53,443.50, 80,154.29 and 31,239.98 is: 46,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,443.50 : 80,154.29 = 31,239.98 : x
  2. Step 2: Convert to fraction form
    53,443.50/80,154.29 = 31,239.98/x
  3. Step 3: Cross multiply
    53,443.50x = 80,154.29 × 31,239.98
  4. Step 4: Simplify right side
    53,443.50x = 2,504,018,394.42
  5. Step 5: Solve for x
    x = 2,504,018,394.42/53,443.50
  6. Step 6: Final answer
    x = 46,853.57

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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.