Home / 37,417.47-51,635.62-20,421.99

Finding the Fourth Proportional to 37,417.47, 51,635.62 and 20,421.99

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Solution

The fourth proportional to 37,417.47, 51,635.62 and 20,421.99 is: 28,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,417.47 : 51,635.62 = 20,421.99 : x
  2. Step 2: Convert to fraction form
    37,417.47/51,635.62 = 20,421.99/x
  3. Step 3: Cross multiply
    37,417.47x = 51,635.62 × 20,421.99
  4. Step 4: Simplify right side
    37,417.47x = 1,054,502,115.28
  5. Step 5: Solve for x
    x = 1,054,502,115.28/37,417.47
  6. Step 6: Final answer
    x = 28,182.08

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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.