Home / 31,308.74-43,210.48-19,375.92

Finding the Fourth Proportional to 31,308.74, 43,210.48 and 19,375.92

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Solution

The fourth proportional to 31,308.74, 43,210.48 and 19,375.92 is: 26,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.74 : 43,210.48 = 19,375.92 : x
  2. Step 2: Convert to fraction form
    31,308.74/43,210.48 = 19,375.92/x
  3. Step 3: Cross multiply
    31,308.74x = 43,210.48 × 19,375.92
  4. Step 4: Simplify right side
    31,308.74x = 837,242,803.64
  5. Step 5: Solve for x
    x = 837,242,803.64/31,308.74
  6. Step 6: Final answer
    x = 26,741.50

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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.