Home / 37,931.13-56,877.57-20,172.11

Finding the Fourth Proportional to 37,931.13, 56,877.57 and 20,172.11

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Solution

The fourth proportional to 37,931.13, 56,877.57 and 20,172.11 is: 30,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,931.13 : 56,877.57 = 20,172.11 : x
  2. Step 2: Convert to fraction form
    37,931.13/56,877.57 = 20,172.11/x
  3. Step 3: Cross multiply
    37,931.13x = 56,877.57 × 20,172.11
  4. Step 4: Simplify right side
    37,931.13x = 1,147,340,314.18
  5. Step 5: Solve for x
    x = 1,147,340,314.18/37,931.13
  6. Step 6: Final answer
    x = 30,247.99

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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.