Home / 38,816.40-58,267.80-21,320.40

Finding the Fourth Proportional to 38,816.40, 58,267.80 and 21,320.40

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Solution

The fourth proportional to 38,816.40, 58,267.80 and 21,320.40 is: 32,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,816.40 : 58,267.80 = 21,320.40 : x
  2. Step 2: Convert to fraction form
    38,816.40/58,267.80 = 21,320.40/x
  3. Step 3: Cross multiply
    38,816.40x = 58,267.80 × 21,320.40
  4. Step 4: Simplify right side
    38,816.40x = 1,242,292,803.12
  5. Step 5: Solve for x
    x = 1,242,292,803.12/38,816.40
  6. Step 6: Final answer
    x = 32,004.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.