Home / 38,533.50-53,180.55-21,767.58

Finding the Fourth Proportional to 38,533.50, 53,180.55 and 21,767.58

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Solution

The fourth proportional to 38,533.50, 53,180.55 and 21,767.58 is: 30,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,533.50 : 53,180.55 = 21,767.58 : x
  2. Step 2: Convert to fraction form
    38,533.50/53,180.55 = 21,767.58/x
  3. Step 3: Cross multiply
    38,533.50x = 53,180.55 × 21,767.58
  4. Step 4: Simplify right side
    38,533.50x = 1,157,611,876.57
  5. Step 5: Solve for x
    x = 1,157,611,876.57/38,533.50
  6. Step 6: Final answer
    x = 30,041.70

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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.