Home / 49,553.35-74,341.37-21,478.10

Finding the Fourth Proportional to 49,553.35, 74,341.37 and 21,478.10

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Solution

The fourth proportional to 49,553.35, 74,341.37 and 21,478.10 is: 32,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,553.35 : 74,341.37 = 21,478.10 : x
  2. Step 2: Convert to fraction form
    49,553.35/74,341.37 = 21,478.10/x
  3. Step 3: Cross multiply
    49,553.35x = 74,341.37 × 21,478.10
  4. Step 4: Simplify right side
    49,553.35x = 1,596,711,379.00
  5. Step 5: Solve for x
    x = 1,596,711,379.00/49,553.35
  6. Step 6: Final answer
    x = 32,222.07

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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.