Home / 31,914.13-47,871.16-14,363.45

Finding the Fourth Proportional to 31,914.13, 47,871.16 and 14,363.45

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Solution

The fourth proportional to 31,914.13, 47,871.16 and 14,363.45 is: 21,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,914.13 : 47,871.16 = 14,363.45 : x
  2. Step 2: Convert to fraction form
    31,914.13/47,871.16 = 14,363.45/x
  3. Step 3: Cross multiply
    31,914.13x = 47,871.16 × 14,363.45
  4. Step 4: Simplify right side
    31,914.13x = 687,594,737.84
  5. Step 5: Solve for x
    x = 687,594,737.84/31,914.13
  6. Step 6: Final answer
    x = 21,545.15

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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.