Home / 29,316.72-40,432.56-19,237.32

Finding the Fourth Proportional to 29,316.72, 40,432.56 and 19,237.32

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Solution

The fourth proportional to 29,316.72, 40,432.56 and 19,237.32 is: 26,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,316.72 : 40,432.56 = 19,237.32 : x
  2. Step 2: Convert to fraction form
    29,316.72/40,432.56 = 19,237.32/x
  3. Step 3: Cross multiply
    29,316.72x = 40,432.56 × 19,237.32
  4. Step 4: Simplify right side
    29,316.72x = 777,814,095.14
  5. Step 5: Solve for x
    x = 777,814,095.14/29,316.72
  6. Step 6: Final answer
    x = 26,531.42

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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.