Home / 39,547.59-54,574.34-21,641.39

Finding the Fourth Proportional to 39,547.59, 54,574.34 and 21,641.39

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Solution

The fourth proportional to 39,547.59, 54,574.34 and 21,641.39 is: 29,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,547.59 : 54,574.34 = 21,641.39 : x
  2. Step 2: Convert to fraction form
    39,547.59/54,574.34 = 21,641.39/x
  3. Step 3: Cross multiply
    39,547.59x = 54,574.34 × 21,641.39
  4. Step 4: Simplify right side
    39,547.59x = 1,181,064,575.93
  5. Step 5: Solve for x
    x = 1,181,064,575.93/39,547.59
  6. Step 6: Final answer
    x = 29,864.39

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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.