Home / 52,688.09-72,711.45-30,030.50

Finding the Fourth Proportional to 52,688.09, 72,711.45 and 30,030.50

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Solution

The fourth proportional to 52,688.09, 72,711.45 and 30,030.50 is: 41,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,688.09 : 72,711.45 = 30,030.50 : x
  2. Step 2: Convert to fraction form
    52,688.09/72,711.45 = 30,030.50/x
  3. Step 3: Cross multiply
    52,688.09x = 72,711.45 × 30,030.50
  4. Step 4: Simplify right side
    52,688.09x = 2,183,560,835.67
  5. Step 5: Solve for x
    x = 2,183,560,835.67/52,688.09
  6. Step 6: Final answer
    x = 41,443.16

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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.