Home / 65,427.07-90,287.17-38,569.09

Finding the Fourth Proportional to 65,427.07, 90,287.17 and 38,569.09

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Solution

The fourth proportional to 65,427.07, 90,287.17 and 38,569.09 is: 53,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,427.07 : 90,287.17 = 38,569.09 : x
  2. Step 2: Convert to fraction form
    65,427.07/90,287.17 = 38,569.09/x
  3. Step 3: Cross multiply
    65,427.07x = 90,287.17 × 38,569.09
  4. Step 4: Simplify right side
    65,427.07x = 3,482,293,985.58
  5. Step 5: Solve for x
    x = 3,482,293,985.58/65,427.07
  6. Step 6: Final answer
    x = 53,224.06

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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.