Home / 52,412.64-72,329.04-28,539.30

Finding the Fourth Proportional to 52,412.64, 72,329.04 and 28,539.30

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Solution

The fourth proportional to 52,412.64, 72,329.04 and 28,539.30 is: 39,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,412.64 : 72,329.04 = 28,539.30 : x
  2. Step 2: Convert to fraction form
    52,412.64/72,329.04 = 28,539.30/x
  3. Step 3: Cross multiply
    52,412.64x = 72,329.04 × 28,539.30
  4. Step 4: Simplify right side
    52,412.64x = 2,064,220,171.27
  5. Step 5: Solve for x
    x = 2,064,220,171.27/52,412.64
  6. Step 6: Final answer
    x = 39,384.01

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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.