Home / 39,715.16-59,555.25-18,661.19

Finding the Fourth Proportional to 39,715.16, 59,555.25 and 18,661.19

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Solution

The fourth proportional to 39,715.16, 59,555.25 and 18,661.19 is: 27,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,715.16 : 59,555.25 = 18,661.19 : x
  2. Step 2: Convert to fraction form
    39,715.16/59,555.25 = 18,661.19/x
  3. Step 3: Cross multiply
    39,715.16x = 59,555.25 × 18,661.19
  4. Step 4: Simplify right side
    39,715.16x = 1,111,371,835.75
  5. Step 5: Solve for x
    x = 1,111,371,835.75/39,715.16
  6. Step 6: Final answer
    x = 27,983.57

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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.