Home / 56,075.04-84,111.48-14,520.96

Finding the Fourth Proportional to 56,075.04, 84,111.48 and 14,520.96

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Solution

The fourth proportional to 56,075.04, 84,111.48 and 14,520.96 is: 21,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,075.04 : 84,111.48 = 14,520.96 : x
  2. Step 2: Convert to fraction form
    56,075.04/84,111.48 = 14,520.96/x
  3. Step 3: Cross multiply
    56,075.04x = 84,111.48 × 14,520.96
  4. Step 4: Simplify right side
    56,075.04x = 1,221,379,436.62
  5. Step 5: Solve for x
    x = 1,221,379,436.62/56,075.04
  6. Step 6: Final answer
    x = 21,781.16

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1.5x scale

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.