Home / 36,210.47-49,967.71-20,291.84

Finding the Fourth Proportional to 36,210.47, 49,967.71 and 20,291.84

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Solution

The fourth proportional to 36,210.47, 49,967.71 and 20,291.84 is: 28,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210.47 : 49,967.71 = 20,291.84 : x
  2. Step 2: Convert to fraction form
    36,210.47/49,967.71 = 20,291.84/x
  3. Step 3: Cross multiply
    36,210.47x = 49,967.71 × 20,291.84
  4. Step 4: Simplify right side
    36,210.47x = 1,013,936,776.49
  5. Step 5: Solve for x
    x = 1,013,936,776.49/36,210.47
  6. Step 6: Final answer
    x = 28,001.20

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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.