Home / 52,286.63-72,154.09-28,412.51

Finding the Fourth Proportional to 52,286.63, 72,154.09 and 28,412.51

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Solution

The fourth proportional to 52,286.63, 72,154.09 and 28,412.51 is: 39,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.63 : 72,154.09 = 28,412.51 : x
  2. Step 2: Convert to fraction form
    52,286.63/72,154.09 = 28,412.51/x
  3. Step 3: Cross multiply
    52,286.63x = 72,154.09 × 28,412.51
  4. Step 4: Simplify right side
    52,286.63x = 2,050,078,803.67
  5. Step 5: Solve for x
    x = 2,050,078,803.67/52,286.63
  6. Step 6: Final answer
    x = 39,208.47

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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.