Home / 31,257.47-46,853.81-19,543.79

Finding the Fourth Proportional to 31,257.47, 46,853.81 and 19,543.79

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Solution

The fourth proportional to 31,257.47, 46,853.81 and 19,543.79 is: 29,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.47 : 46,853.81 = 19,543.79 : x
  2. Step 2: Convert to fraction form
    31,257.47/46,853.81 = 19,543.79/x
  3. Step 3: Cross multiply
    31,257.47x = 46,853.81 × 19,543.79
  4. Step 4: Simplify right side
    31,257.47x = 915,700,925.62
  5. Step 5: Solve for x
    x = 915,700,925.62/31,257.47
  6. Step 6: Final answer
    x = 29,295.43

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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.