Home / 29,120.95-43,681.44-12,470.23

Finding the Fourth Proportional to 29,120.95, 43,681.44 and 12,470.23

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Solution

The fourth proportional to 29,120.95, 43,681.44 and 12,470.23 is: 18,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.95 : 43,681.44 = 12,470.23 : x
  2. Step 2: Convert to fraction form
    29,120.95/43,681.44 = 12,470.23/x
  3. Step 3: Cross multiply
    29,120.95x = 43,681.44 × 12,470.23
  4. Step 4: Simplify right side
    29,120.95x = 544,717,603.53
  5. Step 5: Solve for x
    x = 544,717,603.53/29,120.95
  6. Step 6: Final answer
    x = 18,705.35

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Double scale
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Similar ratio
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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.