Home / 53,677.79-74,077.91-31,019.79

Finding the Fourth Proportional to 53,677.79, 74,077.91 and 31,019.79

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Solution

The fourth proportional to 53,677.79, 74,077.91 and 31,019.79 is: 42,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,677.79 : 74,077.91 = 31,019.79 : x
  2. Step 2: Convert to fraction form
    53,677.79/74,077.91 = 31,019.79/x
  3. Step 3: Cross multiply
    53,677.79x = 74,077.91 × 31,019.79
  4. Step 4: Simplify right side
    53,677.79x = 2,297,881,056.74
  5. Step 5: Solve for x
    x = 2,297,881,056.74/53,677.79
  6. Step 6: Final answer
    x = 42,808.79

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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.