Home / 34,259.10-47,280.96-20,111.64

Finding the Fourth Proportional to 34,259.10, 47,280.96 and 20,111.64

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Solution

The fourth proportional to 34,259.10, 47,280.96 and 20,111.64 is: 27,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,259.10 : 47,280.96 = 20,111.64 : x
  2. Step 2: Convert to fraction form
    34,259.10/47,280.96 = 20,111.64/x
  3. Step 3: Cross multiply
    34,259.10x = 47,280.96 × 20,111.64
  4. Step 4: Simplify right side
    34,259.10x = 950,897,646.37
  5. Step 5: Solve for x
    x = 950,897,646.37/34,259.10
  6. Step 6: Final answer
    x = 27,756.06

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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.