Home / 30,931.00-42,673.64-17,502.11

Finding the Fourth Proportional to 30,931.00, 42,673.64 and 17,502.11

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Solution

The fourth proportional to 30,931.00, 42,673.64 and 17,502.11 is: 24,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.00 : 42,673.64 = 17,502.11 : x
  2. Step 2: Convert to fraction form
    30,931.00/42,673.64 = 17,502.11/x
  3. Step 3: Cross multiply
    30,931.00x = 42,673.64 × 17,502.11
  4. Step 4: Simplify right side
    30,931.00x = 746,878,600.53
  5. Step 5: Solve for x
    x = 746,878,600.53/30,931.00
  6. Step 6: Final answer
    x = 24,146.61

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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.