Home / 39,017.30-58,532.02-12,715.89

Finding the Fourth Proportional to 39,017.30, 58,532.02 and 12,715.89

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Solution

The fourth proportional to 39,017.30, 58,532.02 and 12,715.89 is: 19,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,017.30 : 58,532.02 = 12,715.89 : x
  2. Step 2: Convert to fraction form
    39,017.30/58,532.02 = 12,715.89/x
  3. Step 3: Cross multiply
    39,017.30x = 58,532.02 × 12,715.89
  4. Step 4: Simplify right side
    39,017.30x = 744,286,476.51
  5. Step 5: Solve for x
    x = 744,286,476.51/39,017.30
  6. Step 6: Final answer
    x = 19,075.81

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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.