Home / 31,130.04-42,960.66-17,702.52

Finding the Fourth Proportional to 31,130.04, 42,960.66 and 17,702.52

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Solution

The fourth proportional to 31,130.04, 42,960.66 and 17,702.52 is: 24,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,130.04 : 42,960.66 = 17,702.52 : x
  2. Step 2: Convert to fraction form
    31,130.04/42,960.66 = 17,702.52/x
  3. Step 3: Cross multiply
    31,130.04x = 42,960.66 × 17,702.52
  4. Step 4: Simplify right side
    31,130.04x = 760,511,942.86
  5. Step 5: Solve for x
    x = 760,511,942.86/31,130.04
  6. Step 6: Final answer
    x = 24,430.16

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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.