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Finding the Fourth Proportional to 30,117.71, 45,140.72 and 22,697.70

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Solution

The fourth proportional to 30,117.71, 45,140.72 and 22,697.70 is: 34,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.71 : 45,140.72 = 22,697.70 : x
  2. Step 2: Convert to fraction form
    30,117.71/45,140.72 = 22,697.70/x
  3. Step 3: Cross multiply
    30,117.71x = 45,140.72 × 22,697.70
  4. Step 4: Simplify right side
    30,117.71x = 1,024,590,406.86
  5. Step 5: Solve for x
    x = 1,024,590,406.86/30,117.71
  6. Step 6: Final answer
    x = 34,019.54

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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.