Home / 58,338.40-87,518.88-40,402.36

Finding the Fourth Proportional to 58,338.40, 87,518.88 and 40,402.36

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Solution

The fourth proportional to 58,338.40, 87,518.88 and 40,402.36 is: 60,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,338.40 : 87,518.88 = 40,402.36 : x
  2. Step 2: Convert to fraction form
    58,338.40/87,518.88 = 40,402.36/x
  3. Step 3: Cross multiply
    58,338.40x = 87,518.88 × 40,402.36
  4. Step 4: Simplify right side
    58,338.40x = 3,535,969,296.56
  5. Step 5: Solve for x
    x = 3,535,969,296.56/58,338.40
  6. Step 6: Final answer
    x = 60,611.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.