Home / 50,931.51-76,400.70-13,491.08

Finding the Fourth Proportional to 50,931.51, 76,400.70 and 13,491.08

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Solution

The fourth proportional to 50,931.51, 76,400.70 and 13,491.08 is: 20,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931.51 : 76,400.70 = 13,491.08 : x
  2. Step 2: Convert to fraction form
    50,931.51/76,400.70 = 13,491.08/x
  3. Step 3: Cross multiply
    50,931.51x = 76,400.70 × 13,491.08
  4. Step 4: Simplify right side
    50,931.51x = 1,030,727,955.76
  5. Step 5: Solve for x
    x = 1,030,727,955.76/50,931.51
  6. Step 6: Final answer
    x = 20,237.53

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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.