Home / 56,731.05-85,071.45-21,646.17

Finding the Fourth Proportional to 56,731.05, 85,071.45 and 21,646.17

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Solution

The fourth proportional to 56,731.05, 85,071.45 and 21,646.17 is: 32,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.05 : 85,071.45 = 21,646.17 : x
  2. Step 2: Convert to fraction form
    56,731.05/85,071.45 = 21,646.17/x
  3. Step 3: Cross multiply
    56,731.05x = 85,071.45 × 21,646.17
  4. Step 4: Simplify right side
    56,731.05x = 1,841,471,068.85
  5. Step 5: Solve for x
    x = 1,841,471,068.85/56,731.05
  6. Step 6: Final answer
    x = 32,459.67

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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.