Home / 45,989.04-63,465.43-28,081.56

Finding the Fourth Proportional to 45,989.04, 63,465.43 and 28,081.56

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Solution

The fourth proportional to 45,989.04, 63,465.43 and 28,081.56 is: 38,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,989.04 : 63,465.43 = 28,081.56 : x
  2. Step 2: Convert to fraction form
    45,989.04/63,465.43 = 28,081.56/x
  3. Step 3: Cross multiply
    45,989.04x = 63,465.43 × 28,081.56
  4. Step 4: Simplify right side
    45,989.04x = 1,782,208,280.47
  5. Step 5: Solve for x
    x = 1,782,208,280.47/45,989.04
  6. Step 6: Final answer
    x = 38,752.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.