Home / 32,715.36-45,146.06-19,989.85

Finding the Fourth Proportional to 32,715.36, 45,146.06 and 19,989.85

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Solution

The fourth proportional to 32,715.36, 45,146.06 and 19,989.85 is: 27,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,715.36 : 45,146.06 = 19,989.85 : x
  2. Step 2: Convert to fraction form
    32,715.36/45,146.06 = 19,989.85/x
  3. Step 3: Cross multiply
    32,715.36x = 45,146.06 × 19,989.85
  4. Step 4: Simplify right side
    32,715.36x = 902,462,741.76
  5. Step 5: Solve for x
    x = 902,462,741.76/32,715.36
  6. Step 6: Final answer
    x = 27,585.29

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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.