Home / 34,421.69-47,502.65-19,315.44

Finding the Fourth Proportional to 34,421.69, 47,502.65 and 19,315.44

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Solution

The fourth proportional to 34,421.69, 47,502.65 and 19,315.44 is: 26,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,421.69 : 47,502.65 = 19,315.44 : x
  2. Step 2: Convert to fraction form
    34,421.69/47,502.65 = 19,315.44/x
  3. Step 3: Cross multiply
    34,421.69x = 47,502.65 × 19,315.44
  4. Step 4: Simplify right side
    34,421.69x = 917,534,585.92
  5. Step 5: Solve for x
    x = 917,534,585.92/34,421.69
  6. Step 6: Final answer
    x = 26,655.71

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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.