Home / 42,801.01-64,166.73-17,859.66

Finding the Fourth Proportional to 42,801.01, 64,166.73 and 17,859.66

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Solution

The fourth proportional to 42,801.01, 64,166.73 and 17,859.66 is: 26,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,801.01 : 64,166.73 = 17,859.66 : x
  2. Step 2: Convert to fraction form
    42,801.01/64,166.73 = 17,859.66/x
  3. Step 3: Cross multiply
    42,801.01x = 64,166.73 × 17,859.66
  4. Step 4: Simplify right side
    42,801.01x = 1,145,995,981.11
  5. Step 5: Solve for x
    x = 1,145,995,981.11/42,801.01
  6. Step 6: Final answer
    x = 26,774.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.