Home / 52,421.28-72,341.88-28,548.24

Finding the Fourth Proportional to 52,421.28, 72,341.88 and 28,548.24

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Solution

The fourth proportional to 52,421.28, 72,341.88 and 28,548.24 is: 39,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421.28 : 72,341.88 = 28,548.24 : x
  2. Step 2: Convert to fraction form
    52,421.28/72,341.88 = 28,548.24/x
  3. Step 3: Cross multiply
    52,421.28x = 72,341.88 × 28,548.24
  4. Step 4: Simplify right side
    52,421.28x = 2,065,233,352.29
  5. Step 5: Solve for x
    x = 2,065,233,352.29/52,421.28
  6. Step 6: Final answer
    x = 39,396.85

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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.