Home / 39,349.30-54,300.46-21,443.93

Finding the Fourth Proportional to 39,349.30, 54,300.46 and 21,443.93

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Solution

The fourth proportional to 39,349.30, 54,300.46 and 21,443.93 is: 29,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349.30 : 54,300.46 = 21,443.93 : x
  2. Step 2: Convert to fraction form
    39,349.30/54,300.46 = 21,443.93/x
  3. Step 3: Cross multiply
    39,349.30x = 54,300.46 × 21,443.93
  4. Step 4: Simplify right side
    39,349.30x = 1,164,415,263.21
  5. Step 5: Solve for x
    x = 1,164,415,263.21/39,349.30
  6. Step 6: Final answer
    x = 29,591.77

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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.