Home / 31,180.60-43,041.54-19,248.76

Finding the Fourth Proportional to 31,180.60, 43,041.54 and 19,248.76

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Solution

The fourth proportional to 31,180.60, 43,041.54 and 19,248.76 is: 26,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.60 : 43,041.54 = 19,248.76 : x
  2. Step 2: Convert to fraction form
    31,180.60/43,041.54 = 19,248.76/x
  3. Step 3: Cross multiply
    31,180.60x = 43,041.54 × 19,248.76
  4. Step 4: Simplify right side
    31,180.60x = 828,496,273.49
  5. Step 5: Solve for x
    x = 828,496,273.49/31,180.60
  6. Step 6: Final answer
    x = 26,570.89

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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.