Home / 35,827.29-49,445.61-20,515.32

Finding the Fourth Proportional to 35,827.29, 49,445.61 and 20,515.32

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Solution

The fourth proportional to 35,827.29, 49,445.61 and 20,515.32 is: 28,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,827.29 : 49,445.61 = 20,515.32 : x
  2. Step 2: Convert to fraction form
    35,827.29/49,445.61 = 20,515.32/x
  3. Step 3: Cross multiply
    35,827.29x = 49,445.61 × 20,515.32
  4. Step 4: Simplify right side
    35,827.29x = 1,014,392,511.75
  5. Step 5: Solve for x
    x = 1,014,392,511.75/35,827.29
  6. Step 6: Final answer
    x = 28,313.40

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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.