Home / 31,389.45-47,059.55-14,740.91

Finding the Fourth Proportional to 31,389.45, 47,059.55 and 14,740.91

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Solution

The fourth proportional to 31,389.45, 47,059.55 and 14,740.91 is: 22,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,389.45 : 47,059.55 = 14,740.91 : x
  2. Step 2: Convert to fraction form
    31,389.45/47,059.55 = 14,740.91/x
  3. Step 3: Cross multiply
    31,389.45x = 47,059.55 × 14,740.91
  4. Step 4: Simplify right side
    31,389.45x = 693,700,591.19
  5. Step 5: Solve for x
    x = 693,700,591.19/31,389.45
  6. Step 6: Final answer
    x = 22,099.80

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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.