Home / 30,366.90-45,479.88-29,315.66

Finding the Fourth Proportional to 30,366.90, 45,479.88 and 29,315.66

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Solution

The fourth proportional to 30,366.90, 45,479.88 and 29,315.66 is: 43,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.90 : 45,479.88 = 29,315.66 : x
  2. Step 2: Convert to fraction form
    30,366.90/45,479.88 = 29,315.66/x
  3. Step 3: Cross multiply
    30,366.90x = 45,479.88 × 29,315.66
  4. Step 4: Simplify right side
    30,366.90x = 1,333,272,471.52
  5. Step 5: Solve for x
    x = 1,333,272,471.52/30,366.90
  6. Step 6: Final answer
    x = 43,905.45

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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.