Home / 32,890.70-45,393.05-19,461.95

Finding the Fourth Proportional to 32,890.70, 45,393.05 and 19,461.95

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Solution

The fourth proportional to 32,890.70, 45,393.05 and 19,461.95 is: 26,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.70 : 45,393.05 = 19,461.95 : x
  2. Step 2: Convert to fraction form
    32,890.70/45,393.05 = 19,461.95/x
  3. Step 3: Cross multiply
    32,890.70x = 45,393.05 × 19,461.95
  4. Step 4: Simplify right side
    32,890.70x = 883,437,373.94
  5. Step 5: Solve for x
    x = 883,437,373.94/32,890.70
  6. Step 6: Final answer
    x = 26,859.80

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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.