Home / 32,835.27-45,331.34-21,689.67

Finding the Fourth Proportional to 32,835.27, 45,331.34 and 21,689.67

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Solution

The fourth proportional to 32,835.27, 45,331.34 and 21,689.67 is: 29,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,835.27 : 45,331.34 = 21,689.67 : x
  2. Step 2: Convert to fraction form
    32,835.27/45,331.34 = 21,689.67/x
  3. Step 3: Cross multiply
    32,835.27x = 45,331.34 × 21,689.67
  4. Step 4: Simplify right side
    32,835.27x = 983,221,696.81
  5. Step 5: Solve for x
    x = 983,221,696.81/32,835.27
  6. Step 6: Final answer
    x = 29,944.07

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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.