Home / 56,049.27-77,347.48-30,898.77

Finding the Fourth Proportional to 56,049.27, 77,347.48 and 30,898.77

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Solution

The fourth proportional to 56,049.27, 77,347.48 and 30,898.77 is: 42,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,049.27 : 77,347.48 = 30,898.77 : x
  2. Step 2: Convert to fraction form
    56,049.27/77,347.48 = 30,898.77/x
  3. Step 3: Cross multiply
    56,049.27x = 77,347.48 × 30,898.77
  4. Step 4: Simplify right side
    56,049.27x = 2,389,941,994.60
  5. Step 5: Solve for x
    x = 2,389,941,994.60/56,049.27
  6. Step 6: Final answer
    x = 42,640.02

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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.