Home / 52,412.67-72,329.13-28,539.33

Finding the Fourth Proportional to 52,412.67, 72,329.13 and 28,539.33

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Solution

The fourth proportional to 52,412.67, 72,329.13 and 28,539.33 is: 39,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,412.67 : 72,329.13 = 28,539.33 : x
  2. Step 2: Convert to fraction form
    52,412.67/72,329.13 = 28,539.33/x
  3. Step 3: Cross multiply
    52,412.67x = 72,329.13 × 28,539.33
  4. Step 4: Simplify right side
    52,412.67x = 2,064,224,909.68
  5. Step 5: Solve for x
    x = 2,064,224,909.68/52,412.67
  6. Step 6: Final answer
    x = 39,384.08

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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.