Home / 56,527.74-78,009.26-31,036.48

Finding the Fourth Proportional to 56,527.74, 78,009.26 and 31,036.48

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Solution

The fourth proportional to 56,527.74, 78,009.26 and 31,036.48 is: 42,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527.74 : 78,009.26 = 31,036.48 : x
  2. Step 2: Convert to fraction form
    56,527.74/78,009.26 = 31,036.48/x
  3. Step 3: Cross multiply
    56,527.74x = 78,009.26 × 31,036.48
  4. Step 4: Simplify right side
    56,527.74x = 2,421,132,837.80
  5. Step 5: Solve for x
    x = 2,421,132,837.80/56,527.74
  6. Step 6: Final answer
    x = 42,830.88

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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.