Home / 34,410.75-47,501.40-20,986.82

Finding the Fourth Proportional to 34,410.75, 47,501.40 and 20,986.82

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Solution

The fourth proportional to 34,410.75, 47,501.40 and 20,986.82 is: 28,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,410.75 : 47,501.40 = 20,986.82 : x
  2. Step 2: Convert to fraction form
    34,410.75/47,501.40 = 20,986.82/x
  3. Step 3: Cross multiply
    34,410.75x = 47,501.40 × 20,986.82
  4. Step 4: Simplify right side
    34,410.75x = 996,903,094.04
  5. Step 5: Solve for x
    x = 996,903,094.04/34,410.75
  6. Step 6: Final answer
    x = 28,970.69

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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.