Home / 32,977.47-45,509.13-19,555.50

Finding the Fourth Proportional to 32,977.47, 45,509.13 and 19,555.50

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Solution

The fourth proportional to 32,977.47, 45,509.13 and 19,555.50 is: 26,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,977.47 : 45,509.13 = 19,555.50 : x
  2. Step 2: Convert to fraction form
    32,977.47/45,509.13 = 19,555.50/x
  3. Step 3: Cross multiply
    32,977.47x = 45,509.13 × 19,555.50
  4. Step 4: Simplify right side
    32,977.47x = 889,953,791.72
  5. Step 5: Solve for x
    x = 889,953,791.72/32,977.47
  6. Step 6: Final answer
    x = 26,986.72

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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.