Home / 38,598.80-53,267.30-21,602.90

Finding the Fourth Proportional to 38,598.80, 53,267.30 and 21,602.90

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Solution

The fourth proportional to 38,598.80, 53,267.30 and 21,602.90 is: 29,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,598.80 : 53,267.30 = 21,602.90 : x
  2. Step 2: Convert to fraction form
    38,598.80/53,267.30 = 21,602.90/x
  3. Step 3: Cross multiply
    38,598.80x = 53,267.30 × 21,602.90
  4. Step 4: Simplify right side
    38,598.80x = 1,150,728,155.17
  5. Step 5: Solve for x
    x = 1,150,728,155.17/38,598.80
  6. Step 6: Final answer
    x = 29,812.54

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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.