Home / 38,547.24-53,194.50-21,779.88

Finding the Fourth Proportional to 38,547.24, 53,194.50 and 21,779.88

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Solution

The fourth proportional to 38,547.24, 53,194.50 and 21,779.88 is: 30,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,547.24 : 53,194.50 = 21,779.88 : x
  2. Step 2: Convert to fraction form
    38,547.24/53,194.50 = 21,779.88/x
  3. Step 3: Cross multiply
    38,547.24x = 53,194.50 × 21,779.88
  4. Step 4: Simplify right side
    38,547.24x = 1,158,569,826.66
  5. Step 5: Solve for x
    x = 1,158,569,826.66/38,547.24
  6. Step 6: Final answer
    x = 30,055.84

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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.