Home / 56,721.16-78,282.54-32,531.56

Finding the Fourth Proportional to 56,721.16, 78,282.54 and 32,531.56

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Solution

The fourth proportional to 56,721.16, 78,282.54 and 32,531.56 is: 44,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.16 : 78,282.54 = 32,531.56 : x
  2. Step 2: Convert to fraction form
    56,721.16/78,282.54 = 32,531.56/x
  3. Step 3: Cross multiply
    56,721.16x = 78,282.54 × 32,531.56
  4. Step 4: Simplify right side
    56,721.16x = 2,546,653,146.96
  5. Step 5: Solve for x
    x = 2,546,653,146.96/56,721.16
  6. Step 6: Final answer
    x = 44,897.76

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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.