Home / 36,977.04-55,411.68-21,133.20

Finding the Fourth Proportional to 36,977.04, 55,411.68 and 21,133.20

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Solution

The fourth proportional to 36,977.04, 55,411.68 and 21,133.20 is: 31,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,977.04 : 55,411.68 = 21,133.20 : x
  2. Step 2: Convert to fraction form
    36,977.04/55,411.68 = 21,133.20/x
  3. Step 3: Cross multiply
    36,977.04x = 55,411.68 × 21,133.20
  4. Step 4: Simplify right side
    36,977.04x = 1,171,026,115.78
  5. Step 5: Solve for x
    x = 1,171,026,115.78/36,977.04
  6. Step 6: Final answer
    x = 31,669.01

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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.