Home / 39,007.50-58,296.54-28,499.40

Finding the Fourth Proportional to 39,007.50, 58,296.54 and 28,499.40

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Solution

The fourth proportional to 39,007.50, 58,296.54 and 28,499.40 is: 42,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.50 : 58,296.54 = 28,499.40 : x
  2. Step 2: Convert to fraction form
    39,007.50/58,296.54 = 28,499.40/x
  3. Step 3: Cross multiply
    39,007.50x = 58,296.54 × 28,499.40
  4. Step 4: Simplify right side
    39,007.50x = 1,661,416,412.08
  5. Step 5: Solve for x
    x = 1,661,416,412.08/39,007.50
  6. Step 6: Final answer
    x = 42,592.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.