Home / 56,870.24-85,317.84-17,430.32

Finding the Fourth Proportional to 56,870.24, 85,317.84 and 17,430.32

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Solution

The fourth proportional to 56,870.24, 85,317.84 and 17,430.32 is: 26,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,870.24 : 85,317.84 = 17,430.32 : x
  2. Step 2: Convert to fraction form
    56,870.24/85,317.84 = 17,430.32/x
  3. Step 3: Cross multiply
    56,870.24x = 85,317.84 × 17,430.32
  4. Step 4: Simplify right side
    56,870.24x = 1,487,117,252.91
  5. Step 5: Solve for x
    x = 1,487,117,252.91/56,870.24
  6. Step 6: Final answer
    x = 26,149.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.