Home / 37,070.08-51,165.09-28,987.74

Finding the Fourth Proportional to 37,070.08, 51,165.09 and 28,987.74

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Solution

The fourth proportional to 37,070.08, 51,165.09 and 28,987.74 is: 40,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,070.08 : 51,165.09 = 28,987.74 : x
  2. Step 2: Convert to fraction form
    37,070.08/51,165.09 = 28,987.74/x
  3. Step 3: Cross multiply
    37,070.08x = 51,165.09 × 28,987.74
  4. Step 4: Simplify right side
    37,070.08x = 1,483,160,326.00
  5. Step 5: Solve for x
    x = 1,483,160,326.00/37,070.08
  6. Step 6: Final answer
    x = 40,009.64

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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.