Home / 36,737.40-55,106.10-21,938.70

Finding the Fourth Proportional to 36,737.40, 55,106.10 and 21,938.70

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Solution

The fourth proportional to 36,737.40, 55,106.10 and 21,938.70 is: 32,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,737.40 : 55,106.10 = 21,938.70 : x
  2. Step 2: Convert to fraction form
    36,737.40/55,106.10 = 21,938.70/x
  3. Step 3: Cross multiply
    36,737.40x = 55,106.10 × 21,938.70
  4. Step 4: Simplify right side
    36,737.40x = 1,208,956,196.07
  5. Step 5: Solve for x
    x = 1,208,956,196.07/36,737.40
  6. Step 6: Final answer
    x = 32,908.05

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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.