Home / 53,720.91-74,111.01-35,798.46

Finding the Fourth Proportional to 53,720.91, 74,111.01 and 35,798.46

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Solution

The fourth proportional to 53,720.91, 74,111.01 and 35,798.46 is: 49,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,720.91 : 74,111.01 = 35,798.46 : x
  2. Step 2: Convert to fraction form
    53,720.91/74,111.01 = 35,798.46/x
  3. Step 3: Cross multiply
    53,720.91x = 74,111.01 × 35,798.46
  4. Step 4: Simplify right side
    53,720.91x = 2,653,060,027.04
  5. Step 5: Solve for x
    x = 2,653,060,027.04/53,720.91
  6. Step 6: Final answer
    x = 49,385.98

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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.