Home / 30,614.22-42,256.80-17,870.85

Finding the Fourth Proportional to 30,614.22, 42,256.80 and 17,870.85

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Solution

The fourth proportional to 30,614.22, 42,256.80 and 17,870.85 is: 24,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.22 : 42,256.80 = 17,870.85 : x
  2. Step 2: Convert to fraction form
    30,614.22/42,256.80 = 17,870.85/x
  3. Step 3: Cross multiply
    30,614.22x = 42,256.80 × 17,870.85
  4. Step 4: Simplify right side
    30,614.22x = 755,164,934.28
  5. Step 5: Solve for x
    x = 755,164,934.28/30,614.22
  6. Step 6: Final answer
    x = 24,667.13

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1.5x scale

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.