Home / 51,192.63-70,646.54-28,530.99

Finding the Fourth Proportional to 51,192.63, 70,646.54 and 28,530.99

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Solution

The fourth proportional to 51,192.63, 70,646.54 and 28,530.99 is: 39,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,192.63 : 70,646.54 = 28,530.99 : x
  2. Step 2: Convert to fraction form
    51,192.63/70,646.54 = 28,530.99/x
  3. Step 3: Cross multiply
    51,192.63x = 70,646.54 × 28,530.99
  4. Step 4: Simplify right side
    51,192.63x = 2,015,615,583.62
  5. Step 5: Solve for x
    x = 2,015,615,583.62/51,192.63
  6. Step 6: Final answer
    x = 39,373.16

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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.