Home / 52,648.23-72,631.20-31,415.16

Finding the Fourth Proportional to 52,648.23, 72,631.20 and 31,415.16

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Solution

The fourth proportional to 52,648.23, 72,631.20 and 31,415.16 is: 43,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.23 : 72,631.20 = 31,415.16 : x
  2. Step 2: Convert to fraction form
    52,648.23/72,631.20 = 31,415.16/x
  3. Step 3: Cross multiply
    52,648.23x = 72,631.20 × 31,415.16
  4. Step 4: Simplify right side
    52,648.23x = 2,281,720,768.99
  5. Step 5: Solve for x
    x = 2,281,720,768.99/52,648.23
  6. Step 6: Final answer
    x = 43,338.98

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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.