Home / 31,398.41-43,332.21-17,973.87

Finding the Fourth Proportional to 31,398.41, 43,332.21 and 17,973.87

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Solution

The fourth proportional to 31,398.41, 43,332.21 and 17,973.87 is: 24,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.41 : 43,332.21 = 17,973.87 : x
  2. Step 2: Convert to fraction form
    31,398.41/43,332.21 = 17,973.87/x
  3. Step 3: Cross multiply
    31,398.41x = 43,332.21 × 17,973.87
  4. Step 4: Simplify right side
    31,398.41x = 778,847,509.35
  5. Step 5: Solve for x
    x = 778,847,509.35/31,398.41
  6. Step 6: Final answer
    x = 24,805.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.