Home / 34,210.90-47,211.06-20,063.80

Finding the Fourth Proportional to 34,210.90, 47,211.06 and 20,063.80

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Solution

The fourth proportional to 34,210.90, 47,211.06 and 20,063.80 is: 27,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,210.90 : 47,211.06 = 20,063.80 : x
  2. Step 2: Convert to fraction form
    34,210.90/47,211.06 = 20,063.80/x
  3. Step 3: Cross multiply
    34,210.90x = 47,211.06 × 20,063.80
  4. Step 4: Simplify right side
    34,210.90x = 947,233,265.63
  5. Step 5: Solve for x
    x = 947,233,265.63/34,210.90
  6. Step 6: Final answer
    x = 27,688.05

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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.