Home / 52,403.81-72,318.77-28,530.89

Finding the Fourth Proportional to 52,403.81, 72,318.77 and 28,530.89

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Solution

The fourth proportional to 52,403.81, 72,318.77 and 28,530.89 is: 39,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.81 : 72,318.77 = 28,530.89 : x
  2. Step 2: Convert to fraction form
    52,403.81/72,318.77 = 28,530.89/x
  3. Step 3: Cross multiply
    52,403.81x = 72,318.77 × 28,530.89
  4. Step 4: Simplify right side
    52,403.81x = 2,063,318,367.56
  5. Step 5: Solve for x
    x = 2,063,318,367.56/52,403.81
  6. Step 6: Final answer
    x = 39,373.45

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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.