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Finding the Fourth Proportional to 29,648.79, 44,472.92 and 12,106.31

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Solution

The fourth proportional to 29,648.79, 44,472.92 and 12,106.31 is: 18,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,648.79 : 44,472.92 = 12,106.31 : x
  2. Step 2: Convert to fraction form
    29,648.79/44,472.92 = 12,106.31/x
  3. Step 3: Cross multiply
    29,648.79x = 44,472.92 × 12,106.31
  4. Step 4: Simplify right side
    29,648.79x = 538,402,673.23
  5. Step 5: Solve for x
    x = 538,402,673.23/29,648.79
  6. Step 6: Final answer
    x = 18,159.35

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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.