Home / 20,677.61-31,030.25-7,350.08

Finding the Fourth Proportional to 20,677.61, 31,030.25 and 7,350.08

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Solution

The fourth proportional to 20,677.61, 31,030.25 and 7,350.08 is: 11,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677.61 : 31,030.25 = 7,350.08 : x
  2. Step 2: Convert to fraction form
    20,677.61/31,030.25 = 7,350.08/x
  3. Step 3: Cross multiply
    20,677.61x = 31,030.25 × 7,350.08
  4. Step 4: Simplify right side
    20,677.61x = 228,074,628.02
  5. Step 5: Solve for x
    x = 228,074,628.02/20,677.61
  6. Step 6: Final answer
    x = 11,030.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.