Home / 50,931.12-70,283.58-28,270.04

Finding the Fourth Proportional to 50,931.12, 70,283.58 and 28,270.04

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Solution

The fourth proportional to 50,931.12, 70,283.58 and 28,270.04 is: 39,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931.12 : 70,283.58 = 28,270.04 : x
  2. Step 2: Convert to fraction form
    50,931.12/70,283.58 = 28,270.04/x
  3. Step 3: Cross multiply
    50,931.12x = 70,283.58 × 28,270.04
  4. Step 4: Simplify right side
    50,931.12x = 1,986,919,617.94
  5. Step 5: Solve for x
    x = 1,986,919,617.94/50,931.12
  6. Step 6: Final answer
    x = 39,011.90

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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.