Home / 34,303.19-47,331.18-20,150.87

Finding the Fourth Proportional to 34,303.19, 47,331.18 and 20,150.87

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Solution

The fourth proportional to 34,303.19, 47,331.18 and 20,150.87 is: 27,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,303.19 : 47,331.18 = 20,150.87 : x
  2. Step 2: Convert to fraction form
    34,303.19/47,331.18 = 20,150.87/x
  3. Step 3: Cross multiply
    34,303.19x = 47,331.18 × 20,150.87
  4. Step 4: Simplify right side
    34,303.19x = 953,764,218.47
  5. Step 5: Solve for x
    x = 953,764,218.47/34,303.19
  6. Step 6: Final answer
    x = 27,803.96

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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.