Home / 52,870.89-72,955.07-30,211.35

Finding the Fourth Proportional to 52,870.89, 72,955.07 and 30,211.35

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Solution

The fourth proportional to 52,870.89, 72,955.07 and 30,211.35 is: 41,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,870.89 : 72,955.07 = 30,211.35 : x
  2. Step 2: Convert to fraction form
    52,870.89/72,955.07 = 30,211.35/x
  3. Step 3: Cross multiply
    52,870.89x = 72,955.07 × 30,211.35
  4. Step 4: Simplify right side
    52,870.89x = 2,204,071,002.99
  5. Step 5: Solve for x
    x = 2,204,071,002.99/52,870.89
  6. Step 6: Final answer
    x = 41,687.80

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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.