Home / 31,070.04-42,877.14-16,922.87

Finding the Fourth Proportional to 31,070.04, 42,877.14 and 16,922.87

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Solution

The fourth proportional to 31,070.04, 42,877.14 and 16,922.87 is: 23,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,070.04 : 42,877.14 = 16,922.87 : x
  2. Step 2: Convert to fraction form
    31,070.04/42,877.14 = 16,922.87/x
  3. Step 3: Cross multiply
    31,070.04x = 42,877.14 × 16,922.87
  4. Step 4: Simplify right side
    31,070.04x = 725,604,266.19
  5. Step 5: Solve for x
    x = 725,604,266.19/31,070.04
  6. Step 6: Final answer
    x = 23,353.82

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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.