Home / 31,719.48-47,608.74-16,148.76

Finding the Fourth Proportional to 31,719.48, 47,608.74 and 16,148.76

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Solution

The fourth proportional to 31,719.48, 47,608.74 and 16,148.76 is: 24,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.48 : 47,608.74 = 16,148.76 : x
  2. Step 2: Convert to fraction form
    31,719.48/47,608.74 = 16,148.76/x
  3. Step 3: Cross multiply
    31,719.48x = 47,608.74 × 16,148.76
  4. Step 4: Simplify right side
    31,719.48x = 768,822,116.16
  5. Step 5: Solve for x
    x = 768,822,116.16/31,719.48
  6. Step 6: Final answer
    x = 24,238.17

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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.