Home / 31,612.96-47,426.10-10,838.08

Finding the Fourth Proportional to 31,612.96, 47,426.10 and 10,838.08

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Solution

The fourth proportional to 31,612.96, 47,426.10 and 10,838.08 is: 16,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,612.96 : 47,426.10 = 10,838.08 : x
  2. Step 2: Convert to fraction form
    31,612.96/47,426.10 = 10,838.08/x
  3. Step 3: Cross multiply
    31,612.96x = 47,426.10 × 10,838.08
  4. Step 4: Simplify right side
    31,612.96x = 514,007,865.89
  5. Step 5: Solve for x
    x = 514,007,865.89/31,612.96
  6. Step 6: Final answer
    x = 16,259.40

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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.