Home / 50,931.99-70,285.61-28,271.18

Finding the Fourth Proportional to 50,931.99, 70,285.61 and 28,271.18

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Solution

The fourth proportional to 50,931.99, 70,285.61 and 28,271.18 is: 39,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931.99 : 70,285.61 = 28,271.18 : x
  2. Step 2: Convert to fraction form
    50,931.99/70,285.61 = 28,271.18/x
  3. Step 3: Cross multiply
    50,931.99x = 70,285.61 × 28,271.18
  4. Step 4: Simplify right side
    50,931.99x = 1,987,057,378.11
  5. Step 5: Solve for x
    x = 1,987,057,378.11/50,931.99
  6. Step 6: Final answer
    x = 39,013.94

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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.