Home / 34,213.32-47,222.24-20,070.72

Finding the Fourth Proportional to 34,213.32, 47,222.24 and 20,070.72

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Solution

The fourth proportional to 34,213.32, 47,222.24 and 20,070.72 is: 27,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,213.32 : 47,222.24 = 20,070.72 : x
  2. Step 2: Convert to fraction form
    34,213.32/47,222.24 = 20,070.72/x
  3. Step 3: Cross multiply
    34,213.32x = 47,222.24 × 20,070.72
  4. Step 4: Simplify right side
    34,213.32x = 947,784,256.46
  5. Step 5: Solve for x
    x = 947,784,256.46/34,213.32
  6. Step 6: Final answer
    x = 27,702.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.