Home / 30,750.47-46,132.71-9,690.40

Finding the Fourth Proportional to 30,750.47, 46,132.71 and 9,690.40

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Solution

The fourth proportional to 30,750.47, 46,132.71 and 9,690.40 is: 14,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750.47 : 46,132.71 = 9,690.40 : x
  2. Step 2: Convert to fraction form
    30,750.47/46,132.71 = 9,690.40/x
  3. Step 3: Cross multiply
    30,750.47x = 46,132.71 × 9,690.40
  4. Step 4: Simplify right side
    30,750.47x = 447,044,613.38
  5. Step 5: Solve for x
    x = 447,044,613.38/30,750.47
  6. Step 6: Final answer
    x = 14,537.81

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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.