Home / 37,931.45-52,345.43-21,164.45

Finding the Fourth Proportional to 37,931.45, 52,345.43 and 21,164.45

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Solution

The fourth proportional to 37,931.45, 52,345.43 and 21,164.45 is: 29,206.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,931.45 : 52,345.43 = 21,164.45 : x
  2. Step 2: Convert to fraction form
    37,931.45/52,345.43 = 21,164.45/x
  3. Step 3: Cross multiply
    37,931.45x = 52,345.43 × 21,164.45
  4. Step 4: Simplify right side
    37,931.45x = 1,107,861,868.41
  5. Step 5: Solve for x
    x = 1,107,861,868.41/37,931.45
  6. Step 6: Final answer
    x = 29,206.95

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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.