Home / 52,864.09-72,952.55-28,990.94

Finding the Fourth Proportional to 52,864.09, 72,952.55 and 28,990.94

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Solution

The fourth proportional to 52,864.09, 72,952.55 and 28,990.94 is: 40,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,864.09 : 72,952.55 = 28,990.94 : x
  2. Step 2: Convert to fraction form
    52,864.09/72,952.55 = 28,990.94/x
  3. Step 3: Cross multiply
    52,864.09x = 72,952.55 × 28,990.94
  4. Step 4: Simplify right side
    52,864.09x = 2,114,962,854.94
  5. Step 5: Solve for x
    x = 2,114,962,854.94/52,864.09
  6. Step 6: Final answer
    x = 40,007.55

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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.