Home / 31,790.04-43,856.55-19,207.50

Finding the Fourth Proportional to 31,790.04, 43,856.55 and 19,207.50

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Solution

The fourth proportional to 31,790.04, 43,856.55 and 19,207.50 is: 26,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,790.04 : 43,856.55 = 19,207.50 : x
  2. Step 2: Convert to fraction form
    31,790.04/43,856.55 = 19,207.50/x
  3. Step 3: Cross multiply
    31,790.04x = 43,856.55 × 19,207.50
  4. Step 4: Simplify right side
    31,790.04x = 842,374,684.13
  5. Step 5: Solve for x
    x = 842,374,684.13/31,790.04
  6. Step 6: Final answer
    x = 26,498.07

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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.