Home / 35,779.77-49,382.19-20,672.88

Finding the Fourth Proportional to 35,779.77, 49,382.19 and 20,672.88

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Solution

The fourth proportional to 35,779.77, 49,382.19 and 20,672.88 is: 28,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.77 : 49,382.19 = 20,672.88 : x
  2. Step 2: Convert to fraction form
    35,779.77/49,382.19 = 20,672.88/x
  3. Step 3: Cross multiply
    35,779.77x = 49,382.19 × 20,672.88
  4. Step 4: Simplify right side
    35,779.77x = 1,020,872,088.01
  5. Step 5: Solve for x
    x = 1,020,872,088.01/35,779.77
  6. Step 6: Final answer
    x = 28,532.10

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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.