Home / 36,931.95-55,344.20-21,088.08

Finding the Fourth Proportional to 36,931.95, 55,344.20 and 21,088.08

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Solution

The fourth proportional to 36,931.95, 55,344.20 and 21,088.08 is: 31,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931.95 : 55,344.20 = 21,088.08 : x
  2. Step 2: Convert to fraction form
    36,931.95/55,344.20 = 21,088.08/x
  3. Step 3: Cross multiply
    36,931.95x = 55,344.20 × 21,088.08
  4. Step 4: Simplify right side
    36,931.95x = 1,167,102,811.70
  5. Step 5: Solve for x
    x = 1,167,102,811.70/36,931.95
  6. Step 6: Final answer
    x = 31,601.44

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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.