Home / 31,947.40-44,085.63-18,334.74

Finding the Fourth Proportional to 31,947.40, 44,085.63 and 18,334.74

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Solution

The fourth proportional to 31,947.40, 44,085.63 and 18,334.74 is: 25,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.40 : 44,085.63 = 18,334.74 : x
  2. Step 2: Convert to fraction form
    31,947.40/44,085.63 = 18,334.74/x
  3. Step 3: Cross multiply
    31,947.40x = 44,085.63 × 18,334.74
  4. Step 4: Simplify right side
    31,947.40x = 808,298,563.79
  5. Step 5: Solve for x
    x = 808,298,563.79/31,947.40
  6. Step 6: Final answer
    x = 25,300.92

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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.