Home / 30,715.56-46,160.10-18,237.96

Finding the Fourth Proportional to 30,715.56, 46,160.10 and 18,237.96

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Solution

The fourth proportional to 30,715.56, 46,160.10 and 18,237.96 is: 27,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715.56 : 46,160.10 = 18,237.96 : x
  2. Step 2: Convert to fraction form
    30,715.56/46,160.10 = 18,237.96/x
  3. Step 3: Cross multiply
    30,715.56x = 46,160.10 × 18,237.96
  4. Step 4: Simplify right side
    30,715.56x = 841,866,057.40
  5. Step 5: Solve for x
    x = 841,866,057.40/30,715.56
  6. Step 6: Final answer
    x = 27,408.46

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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.