Home / 56,341.04-77,748-31,188.56

Finding the Fourth Proportional to 56,341.04, 77,748 and 31,188.56

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Solution

The fourth proportional to 56,341.04, 77,748 and 31,188.56 is: 43,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,341.04 : 77,748 = 31,188.56 : x
  2. Step 2: Convert to fraction form
    56,341.04/77,748 = 31,188.56/x
  3. Step 3: Cross multiply
    56,341.04x = 77,748 × 31,188.56
  4. Step 4: Simplify right side
    56,341.04x = 2,424,848,162.88
  5. Step 5: Solve for x
    x = 2,424,848,162.88/56,341.04
  6. Step 6: Final answer
    x = 43,038.75

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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.