Home / 35,434.08-48,899.28-20,327.40

Finding the Fourth Proportional to 35,434.08, 48,899.28 and 20,327.40

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Solution

The fourth proportional to 35,434.08, 48,899.28 and 20,327.40 is: 28,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,434.08 : 48,899.28 = 20,327.40 : x
  2. Step 2: Convert to fraction form
    35,434.08/48,899.28 = 20,327.40/x
  3. Step 3: Cross multiply
    35,434.08x = 48,899.28 × 20,327.40
  4. Step 4: Simplify right side
    35,434.08x = 993,995,224.27
  5. Step 5: Solve for x
    x = 993,995,224.27/35,434.08
  6. Step 6: Final answer
    x = 28,051.96

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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.