Home / 56,089.80-84,136.86-14,535.72

Finding the Fourth Proportional to 56,089.80, 84,136.86 and 14,535.72

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Solution

The fourth proportional to 56,089.80, 84,136.86 and 14,535.72 is: 21,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,089.80 : 84,136.86 = 14,535.72 : x
  2. Step 2: Convert to fraction form
    56,089.80/84,136.86 = 14,535.72/x
  3. Step 3: Cross multiply
    56,089.80x = 84,136.86 × 14,535.72
  4. Step 4: Simplify right side
    56,089.80x = 1,222,989,838.64
  5. Step 5: Solve for x
    x = 1,222,989,838.64/56,089.80
  6. Step 6: Final answer
    x = 21,804.14

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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.