Home / 38,901.15-53,681.40-22,987.08

Finding the Fourth Proportional to 38,901.15, 53,681.40 and 22,987.08

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Solution

The fourth proportional to 38,901.15, 53,681.40 and 22,987.08 is: 31,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,901.15 : 53,681.40 = 22,987.08 : x
  2. Step 2: Convert to fraction form
    38,901.15/53,681.40 = 22,987.08/x
  3. Step 3: Cross multiply
    38,901.15x = 53,681.40 × 22,987.08
  4. Step 4: Simplify right side
    38,901.15x = 1,233,978,636.31
  5. Step 5: Solve for x
    x = 1,233,978,636.31/38,901.15
  6. Step 6: Final answer
    x = 31,720.88

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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.