Home / 56,528.27-78,008.68-31,035.06

Finding the Fourth Proportional to 56,528.27, 78,008.68 and 31,035.06

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Solution

The fourth proportional to 56,528.27, 78,008.68 and 31,035.06 is: 42,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,528.27 : 78,008.68 = 31,035.06 : x
  2. Step 2: Convert to fraction form
    56,528.27/78,008.68 = 31,035.06/x
  3. Step 3: Cross multiply
    56,528.27x = 78,008.68 × 31,035.06
  4. Step 4: Simplify right side
    56,528.27x = 2,421,004,103.11
  5. Step 5: Solve for x
    x = 2,421,004,103.11/56,528.27
  6. Step 6: Final answer
    x = 42,828.20

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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.