Home / 58,317.63-80,502.71-39,465.69

Finding the Fourth Proportional to 58,317.63, 80,502.71 and 39,465.69

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Solution

The fourth proportional to 58,317.63, 80,502.71 and 39,465.69 is: 54,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,317.63 : 80,502.71 = 39,465.69 : x
  2. Step 2: Convert to fraction form
    58,317.63/80,502.71 = 39,465.69/x
  3. Step 3: Cross multiply
    58,317.63x = 80,502.71 × 39,465.69
  4. Step 4: Simplify right side
    58,317.63x = 3,177,094,799.69
  5. Step 5: Solve for x
    x = 3,177,094,799.69/58,317.63
  6. Step 6: Final answer
    x = 54,479.15

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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.