Home / 31,672.40-47,484.60-16,101.20

Finding the Fourth Proportional to 31,672.40, 47,484.60 and 16,101.20

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Solution

The fourth proportional to 31,672.40, 47,484.60 and 16,101.20 is: 24,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,672.40 : 47,484.60 = 16,101.20 : x
  2. Step 2: Convert to fraction form
    31,672.40/47,484.60 = 16,101.20/x
  3. Step 3: Cross multiply
    31,672.40x = 47,484.60 × 16,101.20
  4. Step 4: Simplify right side
    31,672.40x = 764,559,041.52
  5. Step 5: Solve for x
    x = 764,559,041.52/31,672.40
  6. Step 6: Final answer
    x = 24,139.60

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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.