Home / 53,320.96-79,887.48-47,529.28

Finding the Fourth Proportional to 53,320.96, 79,887.48 and 47,529.28

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Solution

The fourth proportional to 53,320.96, 79,887.48 and 47,529.28 is: 71,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,320.96 : 79,887.48 = 47,529.28 : x
  2. Step 2: Convert to fraction form
    53,320.96/79,887.48 = 47,529.28/x
  3. Step 3: Cross multiply
    53,320.96x = 79,887.48 × 47,529.28
  4. Step 4: Simplify right side
    53,320.96x = 3,796,994,405.41
  5. Step 5: Solve for x
    x = 3,796,994,405.41/53,320.96
  6. Step 6: Final answer
    x = 71,210.17

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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.