Home / 32,840.10-45,320.47-19,422.86

Finding the Fourth Proportional to 32,840.10, 45,320.47 and 19,422.86

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Solution

The fourth proportional to 32,840.10, 45,320.47 and 19,422.86 is: 26,804.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,840.10 : 45,320.47 = 19,422.86 : x
  2. Step 2: Convert to fraction form
    32,840.10/45,320.47 = 19,422.86/x
  3. Step 3: Cross multiply
    32,840.10x = 45,320.47 × 19,422.86
  4. Step 4: Simplify right side
    32,840.10x = 880,252,868.78
  5. Step 5: Solve for x
    x = 880,252,868.78/32,840.10
  6. Step 6: Final answer
    x = 26,804.21

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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.