Home / 52,291.19-72,162.30-28,417.86

Finding the Fourth Proportional to 52,291.19, 72,162.30 and 28,417.86

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Solution

The fourth proportional to 52,291.19, 72,162.30 and 28,417.86 is: 39,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.19 : 72,162.30 = 28,417.86 : x
  2. Step 2: Convert to fraction form
    52,291.19/72,162.30 = 28,417.86/x
  3. Step 3: Cross multiply
    52,291.19x = 72,162.30 × 28,417.86
  4. Step 4: Simplify right side
    52,291.19x = 2,050,698,138.68
  5. Step 5: Solve for x
    x = 2,050,698,138.68/52,291.19
  6. Step 6: Final answer
    x = 39,216.90

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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.