Home / 38,547.30-53,195.10-21,551.52

Finding the Fourth Proportional to 38,547.30, 53,195.10 and 21,551.52

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Solution

The fourth proportional to 38,547.30, 53,195.10 and 21,551.52 is: 29,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,547.30 : 53,195.10 = 21,551.52 : x
  2. Step 2: Convert to fraction form
    38,547.30/53,195.10 = 21,551.52/x
  3. Step 3: Cross multiply
    38,547.30x = 53,195.10 × 21,551.52
  4. Step 4: Simplify right side
    38,547.30x = 1,146,435,261.55
  5. Step 5: Solve for x
    x = 1,146,435,261.55/38,547.30
  6. Step 6: Final answer
    x = 29,741.00

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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.