Home / 56,643.04-84,914.88-21,559.36

Finding the Fourth Proportional to 56,643.04, 84,914.88 and 21,559.36

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Solution

The fourth proportional to 56,643.04, 84,914.88 and 21,559.36 is: 32,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643.04 : 84,914.88 = 21,559.36 : x
  2. Step 2: Convert to fraction form
    56,643.04/84,914.88 = 21,559.36/x
  3. Step 3: Cross multiply
    56,643.04x = 84,914.88 × 21,559.36
  4. Step 4: Simplify right side
    56,643.04x = 1,830,710,467.28
  5. Step 5: Solve for x
    x = 1,830,710,467.28/56,643.04
  6. Step 6: Final answer
    x = 32,320.13

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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.