Home / 37,774.63-52,130.13-20,777.99

Finding the Fourth Proportional to 37,774.63, 52,130.13 and 20,777.99

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Solution

The fourth proportional to 37,774.63, 52,130.13 and 20,777.99 is: 28,674.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,774.63 : 52,130.13 = 20,777.99 : x
  2. Step 2: Convert to fraction form
    37,774.63/52,130.13 = 20,777.99/x
  3. Step 3: Cross multiply
    37,774.63x = 52,130.13 × 20,777.99
  4. Step 4: Simplify right side
    37,774.63x = 1,083,159,319.84
  5. Step 5: Solve for x
    x = 1,083,159,319.84/37,774.63
  6. Step 6: Final answer
    x = 28,674.25

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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.