Home / 49,553.47-74,341.55-21,478.23

Finding the Fourth Proportional to 49,553.47, 74,341.55 and 21,478.23

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Solution

The fourth proportional to 49,553.47, 74,341.55 and 21,478.23 is: 32,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,553.47 : 74,341.55 = 21,478.23 : x
  2. Step 2: Convert to fraction form
    49,553.47/74,341.55 = 21,478.23/x
  3. Step 3: Cross multiply
    49,553.47x = 74,341.55 × 21,478.23
  4. Step 4: Simplify right side
    49,553.47x = 1,596,724,909.46
  5. Step 5: Solve for x
    x = 1,596,724,909.46/49,553.47
  6. Step 6: Final answer
    x = 32,222.26

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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.