Home / 53,780.68-74,211.32-29,905.93

Finding the Fourth Proportional to 53,780.68, 74,211.32 and 29,905.93

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Solution

The fourth proportional to 53,780.68, 74,211.32 and 29,905.93 is: 41,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,780.68 : 74,211.32 = 29,905.93 : x
  2. Step 2: Convert to fraction form
    53,780.68/74,211.32 = 29,905.93/x
  3. Step 3: Cross multiply
    53,780.68x = 74,211.32 × 29,905.93
  4. Step 4: Simplify right side
    53,780.68x = 2,219,358,541.13
  5. Step 5: Solve for x
    x = 2,219,358,541.13/53,780.68
  6. Step 6: Final answer
    x = 41,266.84

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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.