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Finding the Fourth Proportional to 67,657.68, 101,510.55 and 30,214.35

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Solution

The fourth proportional to 67,657.68, 101,510.55 and 30,214.35 is: 45,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,657.68 : 101,510.55 = 30,214.35 : x
  2. Step 2: Convert to fraction form
    67,657.68/101,510.55 = 30,214.35/x
  3. Step 3: Cross multiply
    67,657.68x = 101,510.55 × 30,214.35
  4. Step 4: Simplify right side
    67,657.68x = 3,067,075,286.39
  5. Step 5: Solve for x
    x = 3,067,075,286.39/67,657.68
  6. Step 6: Final answer
    x = 45,332.26

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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.