Home / 32,838.67-45,309.01-20,087.21

Finding the Fourth Proportional to 32,838.67, 45,309.01 and 20,087.21

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Solution

The fourth proportional to 32,838.67, 45,309.01 and 20,087.21 is: 27,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,838.67 : 45,309.01 = 20,087.21 : x
  2. Step 2: Convert to fraction form
    32,838.67/45,309.01 = 20,087.21/x
  3. Step 3: Cross multiply
    32,838.67x = 45,309.01 × 20,087.21
  4. Step 4: Simplify right side
    32,838.67x = 910,131,598.76
  5. Step 5: Solve for x
    x = 910,131,598.76/32,838.67
  6. Step 6: Final answer
    x = 27,715.24

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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.