Home / 30,434.90-45,656.67-9,376.65

Finding the Fourth Proportional to 30,434.90, 45,656.67 and 9,376.65

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Solution

The fourth proportional to 30,434.90, 45,656.67 and 9,376.65 is: 14,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434.90 : 45,656.67 = 9,376.65 : x
  2. Step 2: Convert to fraction form
    30,434.90/45,656.67 = 9,376.65/x
  3. Step 3: Cross multiply
    30,434.90x = 45,656.67 × 9,376.65
  4. Step 4: Simplify right side
    30,434.90x = 428,106,614.76
  5. Step 5: Solve for x
    x = 428,106,614.76/30,434.90
  6. Step 6: Final answer
    x = 14,066.31

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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.