Home / 56,031.21-77,298.57-36,886.32

Finding the Fourth Proportional to 56,031.21, 77,298.57 and 36,886.32

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Solution

The fourth proportional to 56,031.21, 77,298.57 and 36,886.32 is: 50,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,031.21 : 77,298.57 = 36,886.32 : x
  2. Step 2: Convert to fraction form
    56,031.21/77,298.57 = 36,886.32/x
  3. Step 3: Cross multiply
    56,031.21x = 77,298.57 × 36,886.32
  4. Step 4: Simplify right side
    56,031.21x = 2,851,259,788.56
  5. Step 5: Solve for x
    x = 2,851,259,788.56/56,031.21
  6. Step 6: Final answer
    x = 50,886.99

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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.