Home / 38,671.32-53,366.29-21,675.60

Finding the Fourth Proportional to 38,671.32, 53,366.29 and 21,675.60

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Solution

The fourth proportional to 38,671.32, 53,366.29 and 21,675.60 is: 29,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,671.32 : 53,366.29 = 21,675.60 : x
  2. Step 2: Convert to fraction form
    38,671.32/53,366.29 = 21,675.60/x
  3. Step 3: Cross multiply
    38,671.32x = 53,366.29 × 21,675.60
  4. Step 4: Simplify right side
    38,671.32x = 1,156,746,423.26
  5. Step 5: Solve for x
    x = 1,156,746,423.26/38,671.32
  6. Step 6: Final answer
    x = 29,912.25

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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.