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Finding the Fourth Proportional to 56,366.61, 77,786 and 32,494.90

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Solution

The fourth proportional to 56,366.61, 77,786 and 32,494.90 is: 44,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,366.61 : 77,786 = 32,494.90 : x
  2. Step 2: Convert to fraction form
    56,366.61/77,786 = 32,494.90/x
  3. Step 3: Cross multiply
    56,366.61x = 77,786 × 32,494.90
  4. Step 4: Simplify right side
    56,366.61x = 2,527,648,291.40
  5. Step 5: Solve for x
    x = 2,527,648,291.40/56,366.61
  6. Step 6: Final answer
    x = 44,843.01

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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.