Home / 39,452.40-54,444.61-21,547.08

Finding the Fourth Proportional to 39,452.40, 54,444.61 and 21,547.08

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Solution

The fourth proportional to 39,452.40, 54,444.61 and 21,547.08 is: 29,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,452.40 : 54,444.61 = 21,547.08 : x
  2. Step 2: Convert to fraction form
    39,452.40/54,444.61 = 21,547.08/x
  3. Step 3: Cross multiply
    39,452.40x = 54,444.61 × 21,547.08
  4. Step 4: Simplify right side
    39,452.40x = 1,173,122,367.24
  5. Step 5: Solve for x
    x = 1,173,122,367.24/39,452.40
  6. Step 6: Final answer
    x = 29,735.13

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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.