Home / 52,420.52-72,341.62-28,548.50

Finding the Fourth Proportional to 52,420.52, 72,341.62 and 28,548.50

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Solution

The fourth proportional to 52,420.52, 72,341.62 and 28,548.50 is: 39,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420.52 : 72,341.62 = 28,548.50 : x
  2. Step 2: Convert to fraction form
    52,420.52/72,341.62 = 28,548.50/x
  3. Step 3: Cross multiply
    52,420.52x = 72,341.62 × 28,548.50
  4. Step 4: Simplify right side
    52,420.52x = 2,065,244,305.49
  5. Step 5: Solve for x
    x = 2,065,244,305.49/52,420.52
  6. Step 6: Final answer
    x = 39,397.63

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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.