Home / 57,029.16-78,700.76-31,537.26

Finding the Fourth Proportional to 57,029.16, 78,700.76 and 31,537.26

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Solution

The fourth proportional to 57,029.16, 78,700.76 and 31,537.26 is: 43,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,029.16 : 78,700.76 = 31,537.26 : x
  2. Step 2: Convert to fraction form
    57,029.16/78,700.76 = 31,537.26/x
  3. Step 3: Cross multiply
    57,029.16x = 78,700.76 × 31,537.26
  4. Step 4: Simplify right side
    57,029.16x = 2,482,005,779.13
  5. Step 5: Solve for x
    x = 2,482,005,779.13/57,029.16
  6. Step 6: Final answer
    x = 43,521.70

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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.