Home / 53,328.45-79,965.81-17,777.16

Finding the Fourth Proportional to 53,328.45, 79,965.81 and 17,777.16

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Solution

The fourth proportional to 53,328.45, 79,965.81 and 17,777.16 is: 26,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.45 : 79,965.81 = 17,777.16 : x
  2. Step 2: Convert to fraction form
    53,328.45/79,965.81 = 17,777.16/x
  3. Step 3: Cross multiply
    53,328.45x = 79,965.81 × 17,777.16
  4. Step 4: Simplify right side
    53,328.45x = 1,421,564,998.90
  5. Step 5: Solve for x
    x = 1,421,564,998.90/53,328.45
  6. Step 6: Final answer
    x = 26,656.78

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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.