Home / 31,502.63-47,254.86-11,777.42

Finding the Fourth Proportional to 31,502.63, 47,254.86 and 11,777.42

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Solution

The fourth proportional to 31,502.63, 47,254.86 and 11,777.42 is: 17,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502.63 : 47,254.86 = 11,777.42 : x
  2. Step 2: Convert to fraction form
    31,502.63/47,254.86 = 11,777.42/x
  3. Step 3: Cross multiply
    31,502.63x = 47,254.86 × 11,777.42
  4. Step 4: Simplify right side
    31,502.63x = 556,540,451.40
  5. Step 5: Solve for x
    x = 556,540,451.40/31,502.63
  6. Step 6: Final answer
    x = 17,666.47

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1.5x scale

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.