Home / 31,984.68-47,732.73-28,485.48

Finding the Fourth Proportional to 31,984.68, 47,732.73 and 28,485.48

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Solution

The fourth proportional to 31,984.68, 47,732.73 and 28,485.48 is: 42,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.68 : 47,732.73 = 28,485.48 : x
  2. Step 2: Convert to fraction form
    31,984.68/47,732.73 = 28,485.48/x
  3. Step 3: Cross multiply
    31,984.68x = 47,732.73 × 28,485.48
  4. Step 4: Simplify right side
    31,984.68x = 1,359,689,725.76
  5. Step 5: Solve for x
    x = 1,359,689,725.76/31,984.68
  6. Step 6: Final answer
    x = 42,510.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.