Home / 54,931.34-82,412.40-15,488.66

Finding the Fourth Proportional to 54,931.34, 82,412.40 and 15,488.66

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Solution

The fourth proportional to 54,931.34, 82,412.40 and 15,488.66 is: 23,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,931.34 : 82,412.40 = 15,488.66 : x
  2. Step 2: Convert to fraction form
    54,931.34/82,412.40 = 15,488.66/x
  3. Step 3: Cross multiply
    54,931.34x = 82,412.40 × 15,488.66
  4. Step 4: Simplify right side
    54,931.34x = 1,276,457,643.38
  5. Step 5: Solve for x
    x = 1,276,457,643.38/54,931.34
  6. Step 6: Final answer
    x = 23,237.33

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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.