Home / 52,421.36-72,340.44-28,548.32

Finding the Fourth Proportional to 52,421.36, 72,340.44 and 28,548.32

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Solution

The fourth proportional to 52,421.36, 72,340.44 and 28,548.32 is: 39,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421.36 : 72,340.44 = 28,548.32 : x
  2. Step 2: Convert to fraction form
    52,421.36/72,340.44 = 28,548.32/x
  3. Step 3: Cross multiply
    52,421.36x = 72,340.44 × 28,548.32
  4. Step 4: Simplify right side
    52,421.36x = 2,065,198,030.06
  5. Step 5: Solve for x
    x = 2,065,198,030.06/52,421.36
  6. Step 6: Final answer
    x = 39,396.12

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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.