Home / 34,211.40-47,211.75-20,064.30

Finding the Fourth Proportional to 34,211.40, 47,211.75 and 20,064.30

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Solution

The fourth proportional to 34,211.40, 47,211.75 and 20,064.30 is: 27,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,211.40 : 47,211.75 = 20,064.30 : x
  2. Step 2: Convert to fraction form
    34,211.40/47,211.75 = 20,064.30/x
  3. Step 3: Cross multiply
    34,211.40x = 47,211.75 × 20,064.30
  4. Step 4: Simplify right side
    34,211.40x = 947,270,715.53
  5. Step 5: Solve for x
    x = 947,270,715.53/34,211.40
  6. Step 6: Final answer
    x = 27,688.74

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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.