Home / 52,339.12-72,225.91-28,465.76

Finding the Fourth Proportional to 52,339.12, 72,225.91 and 28,465.76

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Solution

The fourth proportional to 52,339.12, 72,225.91 and 28,465.76 is: 39,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,339.12 : 72,225.91 = 28,465.76 : x
  2. Step 2: Convert to fraction form
    52,339.12/72,225.91 = 28,465.76/x
  3. Step 3: Cross multiply
    52,339.12x = 72,225.91 × 28,465.76
  4. Step 4: Simplify right side
    52,339.12x = 2,055,965,419.84
  5. Step 5: Solve for x
    x = 2,055,965,419.84/52,339.12
  6. Step 6: Final answer
    x = 39,281.62

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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.