Home / 50,956.71-70,326.74-30,813.74

Finding the Fourth Proportional to 50,956.71, 70,326.74 and 30,813.74

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Solution

The fourth proportional to 50,956.71, 70,326.74 and 30,813.74 is: 42,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,956.71 : 70,326.74 = 30,813.74 : x
  2. Step 2: Convert to fraction form
    50,956.71/70,326.74 = 30,813.74/x
  3. Step 3: Cross multiply
    50,956.71x = 70,326.74 × 30,813.74
  4. Step 4: Simplify right side
    50,956.71x = 2,167,029,606.81
  5. Step 5: Solve for x
    x = 2,167,029,606.81/50,956.71
  6. Step 6: Final answer
    x = 42,526.87

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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.