Home / 39,452.51-54,444.18-21,547.52

Finding the Fourth Proportional to 39,452.51, 54,444.18 and 21,547.52

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Solution

The fourth proportional to 39,452.51, 54,444.18 and 21,547.52 is: 29,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,452.51 : 54,444.18 = 21,547.52 : x
  2. Step 2: Convert to fraction form
    39,452.51/54,444.18 = 21,547.52/x
  3. Step 3: Cross multiply
    39,452.51x = 54,444.18 × 21,547.52
  4. Step 4: Simplify right side
    39,452.51x = 1,173,136,785.21
  5. Step 5: Solve for x
    x = 1,173,136,785.21/39,452.51
  6. Step 6: Final answer
    x = 29,735.42

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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.