Home / 31,603.09-43,612.15-17,455.93

Finding the Fourth Proportional to 31,603.09, 43,612.15 and 17,455.93

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Solution

The fourth proportional to 31,603.09, 43,612.15 and 17,455.93 is: 24,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,603.09 : 43,612.15 = 17,455.93 : x
  2. Step 2: Convert to fraction form
    31,603.09/43,612.15 = 17,455.93/x
  3. Step 3: Cross multiply
    31,603.09x = 43,612.15 × 17,455.93
  4. Step 4: Simplify right side
    31,603.09x = 761,290,591.17
  5. Step 5: Solve for x
    x = 761,290,591.17/31,603.09
  6. Step 6: Final answer
    x = 24,089.12

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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.