Home / 47,819.16-71,663.10-30,257.55

Finding the Fourth Proportional to 47,819.16, 71,663.10 and 30,257.55

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Solution

The fourth proportional to 47,819.16, 71,663.10 and 30,257.55 is: 45,344.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,819.16 : 71,663.10 = 30,257.55 : x
  2. Step 2: Convert to fraction form
    47,819.16/71,663.10 = 30,257.55/x
  3. Step 3: Cross multiply
    47,819.16x = 71,663.10 × 30,257.55
  4. Step 4: Simplify right side
    47,819.16x = 2,168,349,831.41
  5. Step 5: Solve for x
    x = 2,168,349,831.41/47,819.16
  6. Step 6: Final answer
    x = 45,344.79

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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.