Home / 39,136.13-58,701.08-11,055.05

Finding the Fourth Proportional to 39,136.13, 58,701.08 and 11,055.05

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Solution

The fourth proportional to 39,136.13, 58,701.08 and 11,055.05 is: 16,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,136.13 : 58,701.08 = 11,055.05 : x
  2. Step 2: Convert to fraction form
    39,136.13/58,701.08 = 11,055.05/x
  3. Step 3: Cross multiply
    39,136.13x = 58,701.08 × 11,055.05
  4. Step 4: Simplify right side
    39,136.13x = 648,943,374.45
  5. Step 5: Solve for x
    x = 648,943,374.45/39,136.13
  6. Step 6: Final answer
    x = 16,581.70

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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.