Home / 56,828.72-85,267.66-30,502.71

Finding the Fourth Proportional to 56,828.72, 85,267.66 and 30,502.71

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Solution

The fourth proportional to 56,828.72, 85,267.66 and 30,502.71 is: 45,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,828.72 : 85,267.66 = 30,502.71 : x
  2. Step 2: Convert to fraction form
    56,828.72/85,267.66 = 30,502.71/x
  3. Step 3: Cross multiply
    56,828.72x = 85,267.66 × 30,502.71
  4. Step 4: Simplify right side
    56,828.72x = 2,600,894,126.51
  5. Step 5: Solve for x
    x = 2,600,894,126.51/56,828.72
  6. Step 6: Final answer
    x = 45,767.25

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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.